School of Medicine
Showing 3,501-3,600 of 5,033 Results
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Jonathan Pollack
Professor of Pathology
Current Research and Scholarly InterestsResearch in the Pollack lab centers on translational genomics, with a focus on prostate diseases. The lab employs next-generation sequencing, single-cell and spatial genomics, gene editing, and human cell/tissue-based modeling to uncover disease mechanisms, biomarkers and therapeutic targets. Current areas of emphasis include benign prostatic hyperplasia, prostate cancer, and rare/neglected cancer types (ameloblastoma, liposarcoma).
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Peter Pompei, MD
Clinical Professor, Medicine - Primary Care and Population Health
Current Research and Scholarly InterestsGeriatrics, Medical Education
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Ada Poon
Associate Professor of Electrical Engineering
Current Research and Scholarly InterestsOur research focuses on providing theoretical foundations and engineering platforms for realizing electronics that seamlessly integrate with the body. Such systems will allow precise recording or modulation of physiological activity, for advancing basic scientific discovery and for restoring or augmenting biological functions for clinical applications.
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Rita Popat
Associate Professor (Teaching) of Epidemiology
Current Research and Scholarly InterestsMy research interest focuses on the epidemiology of Parkinsons disease and amyotrophic lateral sclerosis, specifically evaluating the genetic and environmental contributions to these neurodegenerative disorders. I am also interested in studying the relation of cognition, estradiol exposure (endogenous and exogenous), and genetic factors.
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Richard Popp
Professor of Medicine (Cardiovascular Medicine), Emeritus
Current Research and Scholarly InterestsAcademic-Industrial relations; Ethics of invention.
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Matthew Porteus
Sutardja Chuk Professor of Definitive and Curative Medicine
BioDr. Porteus was raised in California and was a local graduate of Gunn High School before completing A.B. degree in “History and Science” at Harvard University where he graduated Magna Cum Laude and wrote an thesis entitled “Safe or Dangerous Chimeras: The recombinant DNA controversy as a conflict between differing socially constructed interpretations of recombinant DNA technology.” He then returned to the area and completed his combined MD, PhD at Stanford Medical School with his PhD focused on understanding the molecular basis of mammalian forebrain development with his PhD thesis entitled “Isolation and Characterization of TES-1/DLX-2: A Novel Homeobox Gene Expressed During Mammalian Forebrain Development.” After completion of his dual degree program, he was an intern and resident in Pediatrics at Boston Children’s Hospital and then completed his Pediatric Hematology/Oncology fellowship in the combined Boston Chidlren’s Hospital/Dana Farber Cancer Institute program. For his fellowship and post-doctoral research he worked with Dr. David Baltimore at MIT and CalTech where he began his studies in developing homologous recombination as a strategy to correct disease causing mutations in stem cells as definitive and curative therapy for children with genetic diseases of the blood, particularly sickle cell disease. Following his training with Dr. Baltimore, he took an independent faculty position at UT Southwestern in the Departments of Pediatrics and Biochemistry before again returning to Stanford in 2010 as an Associate Professor. During this time his work has been the first to demonstrate that gene correction could be achieved in human cells at frequencies that were high enough to potentially cure patients and is considered one of the pioneers and founders of the field of genome editing—a field that now encompasses thousands of labs and several new companies throughout the world. His research program continues to focus on developing genome editing by homologous recombination as curative therapy for children with genetic diseases but also has interests in the clonal dynamics of heterogeneous populations and the use of genome editing to better understand diseases that affect children including infant leukemias and genetic diseases that affect the muscle. Clinically, Dr. Porteus attends at the Lucille Packard Children’s Hospital where he takes care of pediatric patients undergoing hematopoietic stem cell transplantation.
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Ellen Porzig
Professor (Teaching) of Developmental Biology, Emerita
Current Research and Scholarly InterestsEarly Human Developmental Biology:
From Egg to Embryo
Organogenesis: Pattern formation
Sex Determination in Embryogenesis -
Klaus Porzig
Emeritus Adjunct Clinical Professor, Medicine - Oncology
BioKlaus Porzig is an Emeritus Adjunct Clinical Professor at Stanford. He was active in Stanford’s clinical oncology program from 1979 until 2008. He was an Attending Physician on the Oncology inpatient service (MED III initially and then MED X) annually from 1979 until retirement in 2008. He was active in the breast cancer program during those decades. Dr. Porzig was a founding partner in South Bay Oncology in 1979 which became part of the Stanford Cancer Center in the Southbay after his retirement. He was a member of the council of the California Breast Cancer Research Program from 2006-2010 and served as the Chair of the CBCRP council 2008-2009. From 2013 to 2021, he was a member of the Stanford Medicine Alumni Association Board of Governors and served as chair of the Awards Committee during that time. Klaus has been a docent at Stanford's Jasper Ridge Biological Preserve since 2018.
PROFESSIONAL EDUCATION
B.A., Stanford University, Biology “With Great Distinction” and “Departmental Honors” (1969)
M.D., Stanford University School of Medicine (1973)
POSTGRADUATE TRAINING
Internship: Internal Medicine, University of California, San Francisco (1973-74)
Residency: Internal Medicine, Stanford (1974-75)
Research Fellowship: Laboratory of Cellular and Molecular Biology, National Cancer Institute, NIH (1976-78)
Clinical Fellowship: Medical Oncology, Stanford University (1975-76, 1978-79)
ACADEMIC HONORS AND AWARDS
Phi Beta Kappa (1968)
Alpha Omega Alpha (1972)
Winslow J. Cutting Book Award for research in Pharmacology, Stanford (1973)
Russel V. Lee Clinical Teaching Award for Excellence in Clinical Teaching, Medicine, Stanford (1994,1997,1999, and 2000)
Thomas E. Davis Award for Clinical Teaching, Oncology, Stanford (1995)
Honorary Lifetime Medical Staff, Stanford University Hospital (2013) -
Lisa Post
Clinical Professor, Psychiatry and Behavioral Sciences
BioDr. Lisa Post, Ph.D. is a licensed clinical psychologist specializing in the treatment of anxiety, depression and adjustment disorders in adults. She has been a practicing clinician at Stanford Hospital and Clinics since 1993. Since 2000, she has been Director of a clinical program for Stanford Varsity Athletes and for nine years has been the Team Clinician for the San Francisco 49ers. Her primary interest are in the treatment of high performing individuals and in stress management.
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Kathleen Poston, MD, MS
Edward F. and Irene Thiele Pimley Professor of Neurology and the Neurological Sciences and Professor, by courtesy, of Neurosurgery
On Partial Leave from 03/01/2026 To 05/31/2026Current Research and Scholarly InterestsMy research addresses one of the most devastating and poorly treated symptoms that can develop in people with Parkinson's disease - Dementia. We use biological markers, multi-modal neuroimaging and genetics to understand the different underlying causes of dementia and to understand why dementia develops more quickly in some patients, but not others.
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Peter Poullos
Clinical Professor, Radiology
Clinical Professor, Medicine - Gastroenterology & HepatologyBioDr. Poullos is a native of Stockton California. He earned his B.S. at Santa Clara University and M.D. degree at the University of Texas Medical School at Houston, after which he did an Internal Medicine residency at the University of California-San Francisco, finishing in 2002. He stayed at UCSF as a Gastroenterology fellow until 2004. However, after a spinal cord injury, he decided to retrain in Radiology. He did his Radiology residency at Stanford University, where he also completed a fellowship In Body Imaging in 2009. Dr. Poullos is now faculty in both the departments of Radiology and Gastroenterology and Hepatology. His clinical practice is at the Stanford Medicine, where he specializes in CT, MRI, and ultrasound of the abdomen and pelvis. His interests include radiology of the acute abdomen, hepatobiliary imaging, and colorectal cancer screening.
Dr. Poullos is the Founder and Co-Chair of the Stanford Medicine Alliance for Disability Inclusion and Equity (SMADIE), a group composed of people with disabilities and their allies at Stanford Medicine. In that role, Dr. Poullos advocates for students and healthcare providers with disabilities and for health equity for disabled patients. He is a Faculty Advisor to the Stanford Medical Students with Disability and Chronic Illness (MSDCI) and the MSDCI National organizations. Dr. Poullos and SMADIE have made significant contributions to the disability community, including starting the Stanford Conference on Disability in Healthcare and Medicine, drawing over 1000 participants from 39 countries. He is the Co-Host of the popular “DocsWithDisabilities” podcast, has spoken internationally about disability access in medicine, and has written and researched in the field. One of his proudest achievements is co-creating the Disability in Medicine Mutual Mentorship Program, serving the needs of disabled medicine and healthcare students and practitioners. In 2022, Dr. Poullos received the Stanford President’s Award for Excellence through Diversity. -
George A. Poultsides, MD, MS
Stanford Department of Surgery Professor
Current Research and Scholarly InterestsClinical trials of experimental diagnostics and therapeutics; outcomes analysis following combined modality treatment of hepatic, pancreatic, and gastrointestinal malignancies.
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Heather Poupore-King
Clinical Associate Professor, Anesthesiology, Perioperative and Pain Medicine
Current Research and Scholarly Interests11/01/17 – 10/30/2022
Role: Co-Investigator (0.10 FTE) and Director of Treatments for the Bay Area (Stanford Pain and Primary Care clinics)
PCORI (Patient Centered Outcomes Research Institute). Title: “Comparative Effectiveness of Pain Cognitive Behavioral Therapy and Chronic Pain Self-Management Within the Context of Opioid Reduction.” Total: $8.8M PI: Beth Darnall
2017- present
Dr. King is also collaborating with Fiona Barwick, PhD, at Stanford’s Sleep Medicine Center, to develop an integrated treatment protocol for improving sleep and chronic pain. With the protocol now complete, Dr. Barwick and Dr. King plan to run the six-session group throughout 2019, collecting pre-treatment, post-treatment and follow-up data to analyze outcomes.
2015-present
Role: Lead Therapist, Cognitive Behavioral Therapy manualized intervention
National Institutes of Health P01 AT006651 National Center for Complementary and Integrative Health Title: Stanford Center for Back Pain
PI: Sean Mackey, MD, PhD
2015 -present
Lead Therapist, Cognitive Behavioral Therapy manualized intervention
National Institutes of Health R01AT008561 National Center for Complementary and
Integrative Health Title: Single Session Pain Catastrophizing Treatment: Comparative
Efficacy & Mechanisms Multi-PI: Darnall BD & Mackey SC -
Anthony Powell
Adjunct Clinical Assistant Professor, Medicine - Primary Care and Population Health
BioAnthony Powell is an Internal Medicine physician. He attended medical school at Yale University and completed internship and residency at Stanford University Hospital. He is board certified by the American Board of Internal Medicine. He has been working at Menlo Clinic since 1996.
I enjoy being with my 4 children and gardening. In my spare time I fit in endurance athletics, currently cycling (road and MTB), and in the past, running and triathlons. -
Kris B. Prado, MD
Assistant Professor of Urology
BioDr. Kris Prado is a urologic oncology fellowship trained surgeon-scientist, board-certified urologist, and Assistant Professor in the Stanford University Department of Urology. His clinical practice focuses on urologic oncology, and he performs open, endoscopic, and robotic surgery. In addition to his clinical role, he is also an active member of Philip Beachy's laboratory where his research focuses on bladder urothelial development and regeneration.
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Manu Prakash
Associate Professor of Bioengineering, Senior Fellow at the Woods Institute for the Environment and Associate Professor, by courtesy, of Oceans
BioWe use interdisciplinary approaches including theory and experiments to understand how computation is embodied in biological matter. Examples include cognition in single cell protists and morphological computing in animals with no neurons and origins of complex behavior in multi-cellular systems. Broadly, we invent new tools for studying non-model organisms with significant focus on life in the ocean - addressing fundamental questions such as how do cells sense pressure or gravity? Finally, we are dedicated towards inventing and distributing “frugal science” tools to democratize access to science (previous inventions used worldwide: Foldscope, Abuzz), diagnostics of deadly diseases like malaria and convening global citizen science communities to tackle planetary scale environmental challenges such as mosquito surveillance or plankton surveillance by citizen sailors mapping the ocean in the age of Anthropocene.
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Janey S.A. Pratt, MD
Clinical Professor, Surgery - Pediatric Surgery
BioDr. Janey S.A. Pratt, MD, FACS, FASMBS is a general surgeon who specializes in Laparoscopic and Robotic General and Metabolic and Bariatric Surgery (MBS). She began her career in general surgery at Massachusetts General Hospital, where she was a founding member of the MGH Weight Center. As surgical director she introduced minimally invasive MBS and adolescent MBS to MGH in 2001 and 2007 respectively. In 2011 Dr. Pratt took over as Director at the MGH Weight Center and continued to work on several national committees towards improving access and care for adolescents with severe obesity. Dr. Pratt continued to practice general surgery throughout her tenure at MGH seeing patients with breast cancer, hernias, and obesity. She performed advance minimally invasive surgery (MIS) as well as advanced endoscopy.
In 2016 Dr. Pratt moved to California where she began her work at Stanford University, splitting her time between the Lucille Packard Children’s Hospital and the Palo Alto VA. She performs Minimally Invasive MBS as well as endoscopy. Dr. Pratt has trained in robotic surgery as well. As a Clinical Professor of Surgery, Dr. Pratt is involved in training Stanford medical students and residents both in the OR, in clinic, in simulation labs and in the classroom. Since 2023 Dr. Pratt is dedicated only to the Children's Hospital running the Adolescent Metabolic and Bariatric Surgery program at LPCH. This is an MBSAQIP accredited program in a free-standing children's hospital dedicated to the multidisciplinary care of children with obesity. This program is one of the top 5 programs in the country. Dr. Pratt has been involved in creating and updated guidelines for Adolescent MBS since 2005. In 2018 she was first author on the ASMBS Pediatric Metabolic and Bariatric Surgery Guidelines. Her research interests include MIS MBS, pediatric obesity treatment and the use of medications to improve outcomes of MBS. Dr. Pratt frequently lectures on the subject of Adolescent Metabolic and Bariatric Surgery. -
Guillem Pratx
Associate Professor of Radiation Oncology (Radiation Physics)
Current Research and Scholarly InterestsThe Physical Oncology Lab is interested in making a lasting impact on translational cancer research by building novel physical tools and methods.
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Carl Preiksaitis
Clinical Assistant Professor, Emergency Medicine
BioDr. Carl Preiksaitis is a Clinical Assistant Professor of Emergency Medicine at Stanford University School of Medicine. He earned his MD from NYU Grossman School of Medicine, completed his Emergency Medicine residency at Stanford University, and subsequently completed a two-year Medical Education Scholarship Fellowship at Stanford. Dr. Preiksaitis also holds a Master of Education in Medical Education from the University of Cincinnati.
Dr. Preiksaitis's research interests lie at the intersection of artificial intelligence, medical education, and emergency medicine. As Principal Investigator of the Human Experience and Advancement Lab (HEAL), he focuses on leveraging AI and data science to enhance teaching, learning, and clinical practice. His projects include AI-powered analysis of clinical experiences for personalized resident education and the development of AI-assisted tools for evaluating learning resources.
Additionally, Dr. Preiksaitis is passionate about reproductive healthcare in emergency medicine. He has developed curricula for pregnancy disclosure and options counseling in the emergency department and conducts research on the prevalence and characteristics of emergency department visits by pregnant individuals. -
Tyler Prestwood
Clinical Assistant Professor, Psychiatry and Behavioral Sciences
BioTyler Prestwood, M.D., Ph.D. specializes in the treatment of people with psychotic disorders and psychiatric complications with immunologic abnormalities. He is an attending in the INSPIRE Clinic at Stanford, which provides interdisciplinary care for people experiencing psychosis. He also provides care for patients experiencing psychiatric symptoms associated with long-COVID/Post-Acute Coronavirus Syndrome (PACS).
Dr. Prestwood has extensive research experience related to the immune system in various contexts including infectious disease, cancer, and psychiatry. His current work is focused on understanding the influence of infections, the immune response to infections, and metabolism on the subsequent development of psychiatric illnesses, including schizophrenia and PACS. -
Allison Pribnow
Clinical Assistant Professor, Pediatrics - Hematology & Oncology
Current Research and Scholarly InterestsSolid Tumors, Bone Sarcomas, Global Oncology, Health Disparities
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James Priest
Adjunct Clinical Assistant Professor, Pediatrics - Cardiology
Current Research and Scholarly InterestsThe Priest lab seeks a better understanding of the genetics and pathogenesis of congenital heart disease using translational genomics, big-data, and vertebrate models of cardiac development.
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Kelsey C. Priest
Clinical Assistant Professor, Psychiatry and Behavioral Sciences
BioKelsey Priest, MD, PhD, MPH is a Clinical Assistant Professor in the Department of Psychiatry and Behavioral Sciences at Stanford University. Dr. Priest completed her MD/PhD at Oregon Health & Science University (OHSU) and the joint School of Public Health at OHSU-Portland State University. She earned her doctorate in Health Systems & Policy, defending her mixed-methods dissertation titled "Hospital-Based Services for Opioid Use Disorder: A Study of Supply-Side Attributes." Dr. Priest began her residency at UPMC's Western Psychiatric Hospital in Pittsburgh, PA, before transferring to Stanford, where she completed the remainder of her psychiatry residency training. During her third year at Stanford, she served as the Inpatient Chief Resident, and as a fourth year resident was part of the first group of residents designated as Social Medicine & Humanities Research Track Residents. While in residency, Dr. Priest completed a two-year psychoanalytic psychotherapy program as part of the Palo Alto Psychoanalytic Psychotherapy Training Program. In 2025, Dr. Priest completed a multi-week training in Emotional Awareness and Expression Therapy (EAET).
Clinically, Dr. Priest focuses on caring for patients with functional and somatic distress, as well as those requiring high-acuity psychiatric services. Dr. Priest's research explores health service, system, and policy-related issues that impact access to evidence-based care for people with mental health and substance use disorders. -
Angela Damia Primbas, MD
Clinical Assistant Professor, Medicine - Primary Care and Population Health
BioDr. Primbas is a board-certified physician in both Internal Medicine and Geriatric Medicine who practices at Stanford Concierge Medicine.
Dr. Primbas was raised in Ohio. She completed her undergraduate studies at Harvard University where she graduated with honors. After college, Dr. Primbas worked as a middle school teacher before deciding to pursue her career in medicine.
She moved to the west coast to attend medical school at the University of Washington School of Medicine. She was active in multiple free clinics and completed additional training in global health. She spent several months in Peru conducting public health research. Her work was published in peer-reviewed medical journals and presented at multiple national conferences. Upon graduation, she was inducted into the Alpha Omega Alpha Medical Honor Society.
Dr. Primbas completed her residency in Internal Medicine at Stanford University, where she helped found the Ambulatory Care Excellence Program, a resident training track aimed at enhancing skills needed to provide excellent comprehensive care in the primary care setting.
During residency, Dr. Primbas developed a particular interest in healthy aging and longevity, and pursued a fellowship in Geriatric Medicine at UCSF.
Dr. Primbas joined the faculty at the UCLA School of Medicine after completing her residency and fellowship training. She practiced in both inpatient and primary care settings while at UCLA. She also worked with her endocrinology colleagues to provide care in the osteoporosis clinic, and has a particular interest in bone health and postmenopausal aging. Dr. Primbas was very involved in education of medical students, residents and geriatrics fellows while at UCLA, and served as a co-lead for the Early Authentic Clinical Experience program for first-year medical students.
Dr. Primbas is excited to be back at Stanford, and to continue her work providing comprehensive and patient-centered primary care.
Dr. Primbas enjoys cooking and hiking with her family and her mischievous Australian Shepherd, Archie. -
David Prince
Edward F. and Irene Thiele Pimley Professor of Neurology and the Neurological Sciences, Emeritus
Current Research and Scholarly InterestsExperiments examine
1)intrinsic properties of neuronal membranes; actions of neurotransmitters that regulate neocortical and thalamic excitability
2) chronic epileptogenesis following cortical injury; changes in intracortical connectivity and receptors;
3) effects of early injury and activity on cortical development/maldevelopment Electrophysiological, anatomical and pharmacological techniques employed.
4. prophylaxis of postraumatic epilepsy
5. Neocortical interneuronal function/modulation -
Lance Prince
Philip Sunshine, MD, Professor of Neonatology
BioLawrence (Lance) S. Prince, MD, PhD, is the Philip Sunshine Endowed Professor of Pediatrics at Stanford School of Medicine. Dr. Prince was previously a Professor of Pediatrics and Chief of the Division of Neonatology at the University of California, San Diego and Rady Children’s Hospital, San Diego.
Dr. Prince has a long and distinguished career mentoring clinical and scientific trainees and students, many of whom have gone on to establish their own successful careers as academic physician investigators. As a physician scientist, Dr. Prince leads a basic science laboratory focusing on the mechanisms regulating developmental immunology and lung injury and repair. Dr. Prince received a Bachelor of Science in Chemistry from University of Miami, an MD/PhD with a focus in Cell Biology from University of Alabama at Birmingham, and postdoctoral fellowship, Pediatrics residency, and Neonatal-Perinatal Medicine Fellowship training at the University of Iowa. Before arriving in California, Dr. Prince was an Associate Professor of Pediatrics at Vanderbilt University.
Dr. Prince’s research interests include the molecular and cellular mechanisms controlling lung development and the maturation of the fetal and neonatal immune systems. He has a particular clinical interest in managing and treating neonatal lung diseases, especially bronchopulmonary dysplasia (BPD) in babies born extremely preterm. Dr. Prince’s research team focuses primarily on the development of innate immunity during fetal life as it impacts health and disease in preterm infants. The laboratory is investigating how microbes including Group B streptococcus exploit the unique features of neonatal macrophages to avoid immune detection and cause disease, as well as leading a number of clinical and translational investigations. -
John R. Pringle
Professor of Genetics, Emeritus
Current Research and Scholarly InterestsMuch of our research exploits the power of yeast as an experimentally tractable model eukaryote to investigate fundamental problems in cell and developmental biology such as the mechanisms of cell polarization and cytokinesis. In another project, we are developing the small sea anemone Aiptasia as a model system for study of the molecular and cellular biology of dinoflagellate-cnidarian symbiosis, which is critical for the survival of most corals but still very poorly understood.
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Jonathan Pritchard
Bing Professor of Population Studies, Professor of Genetics and Biology
On Leave from 01/01/2026 To 06/15/2026Current Research and Scholarly InterestsWe are interested in a broad range of problems at the interface of genomics and evolutionary biology. One current focus of the lab is in understanding how genetic variation impacts gene regulation and complex traits. We also have long-term interests in using genetic data to learn about population structure, history and adaptation, especially in humans.
FOR UP-TO-DATE DETAILS ON MY LAB AND RESEARCH, PLEASE SEE: http://pritchardlab.stanford.edu -
Charles G. Prober, MD
Professor of Pediatrics (Infectious Diseases) and, by courtesy, of Microbiology and Immunology
Current Research and Scholarly InterestsMy research interest is in the epidemiology, pathophysiology, prevention, and treatment of infections in children. Much of this research has focused on viral infections, especially those caused by herpes simplex virus (HSV). I have conducted a number of studies concerned with the epidemiology of HSV-2 infections in pregnant women, their partners, and neonates.
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Judith Prochaska
Senior Associate Vice Provost, Clinical Research Governance and Professor of Medicine (Stanford Prevention Research Center)
Current Research and Scholarly InterestsDr. Prochaska's clinical trials research focuses on developing and testing evidence-based interventions for tobacco, other substance use, physical activity, and diet. She has led randomized controlled trials of treatments that combine motivational, behavioral, and pharmacologic strategies, including use of telemedicine, therapeutic relational agents, social-media–supported interventions, and tailored programs for socio-demographically diverse and at-risk groups to advance population health.
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Robert N. Proctor
Professor of History and, by courtesy, of Medicine (Pulmonary and Critical Care Medicine)
Current Research and Scholarly InterestsTobacco and cigarette design; human origins and evolution; changing concepts of health and disease; medical history and medical politics
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Jochen Profit
Wendy J. Tomlin-Hess Endowed Professor
Current Research and Scholarly InterestsFunded by NIH R01 grants:
1) Development and application of composite measure of NICU quality - Baby-MONITOR
2) High reliability, safety culture and caregiver resilience as modifiers of care quality
3) Modifiable racial/ethnic disparities in quality of care delivery
4) Effectiveness of regionalized care delivery systems for preterm newborns -
Carla Pugh, MD, PhD
Thomas Krummel Professor
Current Research and Scholarly InterestsThe Technology Enabled Clinical Improvement (T.E.C.I.) Center is a multidisciplinary team of researchers dedicated to the design and implementation of advanced engineering technologies that facilitate data acquisition relating to clinical performance.
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Elisabetta Viani Puglisi
Associate Professor (Research) of Structural Biology
Current Research and Scholarly InterestsViral infections and subsequent host response depend on multiple RNA-protein interaction. My research focuses on the structural and functional characterization of RNA-protein complexes involved in viral infection. Current research aims to understand how the Human Immunodeficiency Virus (HIV) initiates its replication upon host infection. We use NMR spectroscopy and x-ray crystallography to study the structure of the initiation complex, formed by a host tRNA and HIV genomic RNA, coupled with biochemical and biophysical methods to understand functional properties. The goal of this research is to gain a molecular view of HIV replication initiation, and use this information to develop new therapeutic approaches to combat HIV.
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Joseph (Jody) Puglisi
Jauch Professor and Professor of Structural Biology
Current Research and Scholarly InterestsThe Puglisi group investigates the role of RNA in cellular processes and disease. We investigate dynamics using single-molecule approaches. Our goal is a unified picture of structure, dynamics and function. We are currently focused on the mechanism and regulation of translation, and the role of RNA in viral infections. A long-term goal is to target processes involving RNA with novel therapeutic strategies.
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Benjamin Pulli, MD
Clinical Assistant Professor (By courtesy), Neurosurgery
BioDr. Pulli is a dual fellowship trained diagnostic and interventional neuroradiologist with a focus on vascular disorders of the brain, head, neck, and spine. He is a clinical assistant professor in the Department of Radiology, Neuroradiology Division.
Having grown up in Austria, Dr. Pulli moved to the US after completing medical school in Innsbruck, Austria. He completed post-doctoral research training in stroke imaging in the Division of Neuroradiology at the Massachusetts General Hospital, as well as in experimental molecular imaging techniques of neuroinflammatory disorders at the Center for Systems Biology of Massachusetts General Hospital and Harvard Medical School.
He completed residency training in Radiology and fellowship training in Diagnostic Neuroradiology at the Massachusetts General Hospital in Boston. He then completed a second fellowship in interventional neuroradiology/neurointerventional surgery at Stanford University School of Medicine.
After having graduated from fellowship, Dr. Pulli then spent more than a year practicing Interventional Neuroradiology at Pacific Neuroscience Institute in Los Angeles. He employs state-of-the-art minimally invasive endovascular and percutaneous surgical techniques to treat patients with brain aneurysms, arteriovenous malformations, dural arteriovenous fistulas, carotid artery stenosis, acute stroke, chronic subdural hematoma, idiopathic intracranial hypertension, vascular tumors, and chronic back pain.
His research focuses on advanced imaging techniques for acute ischemic stroke and other neurovascular diseases. He has authored more than 40 peer-reviewed publications and received scientific grants from institutions such as the Radiological Society of North America and the Ernst Schering Foundation. In addition, he has made invited presentations to his peers at meetings of organizations such as the American Society of Neuroradiology, Radiological Society of North American, European Congress of Radiology, and Western Neuroradiological Society.
He is a member of the Society of Neurointerventional Surgery. -
Stephanie Pun, MD
Clinical Associate Professor, Orthopaedic Surgery
Current Research and Scholarly InterestsDr. Pun specializes in the treatment of complex hip disorders with surgical hip preservation options for children, adolescents, and adults. Her goal is to enhance hip function in active individuals and to prevent the early development of hip osteoarthritis.
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Krishna Pundi
Clinical Instructor, Medicine - Cardiovascular Medicine
BioKrishna Pundi, MD is a cardiac electrophysiologist and health services and outcomes researcher with a clinical interest in the management of ventricular arrhythmias and atrial fibrillation.
Dr. Pundi leads a multidisciplinary research program to study (1) clinical and arrhythmia-specific factors that predict cardiovascular risk for ventricular arrhythmias, (2) the interplay of frailty and obesity with atrial fibrillation outcomes, and (3) the role of digital health and wearables in arrhythmia care. He has led grant-funded research through the NIH, FDA, and ACC and collaborations with large device and quality databases including AHA’s Get With the Guidelines. He has a special interest in innovation and regulatory science, having organized national Think Tanks of patients, investigators, and FDA to define the scientific and clinical use of wearable monitors. Dr. Pundi holds leadership roles through the American College of Cardiology, Heart Rhythm Society, Cardiovascular Sciences Research Consortium, and HRX - an innovation-focused meeting of clinicians, researcher, and industry. -
Patrick Lee Purdon
Professor of Anesthesiology, Perioperative and Pain Medicine (Department Research) and, by courtesy, of Bioengineering
BioMy research integrates neuroimaging, biomedical signal processing, and the systems neuroscience of general anesthesia and sedation.
My group conducts human studies of anesthesia-induced unconsciousness, using a variety of techniques including multimodal neuroimaging, high-density EEG, and invasive neurophysiological recordings used to diagnose medically refractory epilepsy. We also develop novel methods in neuroimaging and biomedical signal processing to support these studies, as well as methods for monitoring level of consciousness under general anesthesia using EEG. -
Renee P Pyle, Ph.D.
Adjunct Clinical Assistant Professor, Psychiatry and Behavioral Sciences - Child & Adolescent Psychiatry and Child Development
BioDr. Pyle is a child psychologist who has worked in clinic, hospital, school, and private practice settings for over 20 years. She is also an Adjunct Clinical Assistant Professor in the Stanford University Department of Psychiatry and Behavioral Sciences where she supervises and teaches the child and adolescent psychiatry fellows. She received her B.A. in Human Biology from Stanford University and her Ph.D. from the University of California, Santa Barbara.
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Abdullah Qatu, MD
Clinical Assistant Professor, Anesthesiology, Perioperative and Pain Medicine
BioDr. Qatu is a board-certified, fellowship-trained pain management specialist at the Stanford Health Care Pain Management Center. He is also a clinical instructor in the Department of Anesthesiology, Perioperative and Pain Medicine, Division of Pain Medicine, at Stanford University School of Medicine.
He specializes in the diagnosis and management of many different types of pain, including nerve pain, joint pain, cancer pain, low back and neck pain. Dr. Qatu obtained his medical degree from the New York University (NYU) Grossman School of Medicine. He continued on at NYU to complete his residency in anesthesiology after completing an internship in general surgery. He subsequently completed his pain medicine fellowship at Stanford University School of Medicine.
Dr. Qatu believes in utilizing a multimodal approach for pain management. This includes interventional, pharmacological, rehabilitative and psychological strategies. He is well-trained in a wide variety of interventional modalities that include injections, epidurals, nerve blocks, radiofrequency ablations, peripheral nerve stimulation, spinal cord/dorsal root ganglion stimulation and minimally invasive decompression. His research focuses on the clinical use of neuromodulation for various types of pain. In addition, he has investigated whether certain demographic and socioeconomic variables, as well as psychiatric illness, affect the outcomes of various orthopaedic traumas and surgeries. Dr. Qatu has presented his research at conferences throughout the U.S. and in Canada. -
Lei (Stanley) Qi
Associate Professor of Bioengineering
BioDr. Lei (Stanley) Qi (publishes as Lei S. Qi) is an Associate Professor in the Department of Bioengineering at Stanford University, an Institute Scholar at Sarafan ChEM-H, and a Chan Zuckerberg Biohub Investigator. Trained in physics and mathematics (Tsinghua University) and bioengineering (UC Berkeley), he was a Systems Biology Fellow at UCSF before joining the Stanford faculty in 2014.
Qi is a pioneer in CRISPR technology and genome engineering. His lab created the first nuclease-deactivated Cas9 (dCas9) for targeted gene regulation, establishing CRISPR interference (CRISPRi) and CRISPR activation (CRISPRa). Since then, his group has expanded CRISPR from an editing tool into a platform for programmable control of dynamic and spatial cell state, integrating scalable perturbation, live-cell and super-resolution imaging, and computation-guided design. This work has produced technologies for multiplexed transcriptome regulation, programmable 3D genome organization, spatial RNA logistics control, and real-time visualization of chromatin and transcriptional events in living cells.
A distinctive focus of the Qi lab is closed-loop biology, combining perturbation with high-content measurements to infer mechanisms and iteratively refine control strategies. The lab develops platforms spanning multiplexed transcriptional and epigenetic control, spatial genome–transcriptome organization, and quantitative live-cell imaging of chromatin and transcriptional dynamics. A compact nuclease-dead CRISPR epigenetic editor from this technology lineage has advanced to first-in-human clinical testing for facioscapulohumeral muscular dystrophy (FSHD; NCT06907875), underscoring the translational potential of principle-driven control systems.
Beyond single-cell control, Qi’s lab is building a framework for synthetic cell–cell communication, with particular emphasis on the bidirectional interplay between immune cells and neurons. The lab’s goal is to move beyond describing molecular parts to discovering fundamental control principles in living systems: how regulatory landscapes create stable states and memory, how spatial genome–RNA organization shapes dynamic responses, and how engineered cell–cell interactions can generate emergent multicellular behaviors. By integrating experimental bioengineering with computation and machine learning, the lab aims to identify generalizable rules linking molecular programs to systems-level physiology and disease trajectories and to translate those rules into next-generation therapeutic cells. -
Xiang Qian
Stanford Medicine Endowed Director
Clinical Professor, Anesthesiology, Perioperative and Pain Medicine
Clinical Professor (By courtesy), NeurosurgeryCurrent Research and Scholarly InterestsClinical Interests
-Pain Medicine:
Facial pain
Migraine and headache
Trigeminal Neuralgia and Glossopharyngeal neuralgia
Cancer Pain
Spine Disease
Neuropathic pain
Interventional Surgery
CT guided Procedure
Opioid Management
-Facial Nerve neuralgia and neuropathy
Hemifacial Spasm
CT guided awake RFA of facial nerve
Research Interests:
-Medical device development
-AI based headache diagnosis and management
-CT guided intervention
-Intra-nasal endoscopy guided procedure
-Optogenetics
-Mechanisms of neuropathic pain
-Ion channel and diseases
-Neurotoxicity of anesthetics -
Yushen Qian, MD
Clinical Associate Professor, Radiation Oncology - Radiation Therapy
BioDr. Qian is a board-certified radiation oncologist and a Clinical Associate Professor in the Stanford University School of Medicine, Department of Radiation Oncology.
In his clinical practice, he sub-specializes in genitourinary (including prostate and bladder cancer) and Head and Neck malignancies, but also treats a broad spectrum of other disease subsites including lung/thoracic, gastrointestinal, brain, lymphoma, and breast tumors. For each patient, he develops a comprehensive, individualized, and compassionate care plan customized to individual needs. His goal is to deliver the most effective cancer treatment to help patients enjoy the best possible health and quality of life.
In addition to his clinical practice, Dr. Qian serves as the Medical Director of Radiation Oncology at Stanford South Bay Cancer Center. He also serves as the Radiation Oncology Network Director of Clinical Research and has spearheaded opening of multiple NRG Oncology clinical trials at Stanford South Bay Cancer Center.
Dr. Qian is also actively involved in the Stanford Radiation Oncology residency program. He created and oversees a monthly mentorship roundtable series to assist residents with multiple aspects of their clinical training and career progression.
Outside of work, Dr. Qian enjoys spending time with his family and exploring the great outdoors of Northern California. -
Xiaojie Qiu
Assistant Professor of Genetics and, by courtesy, of Computer Science
Current Research and Scholarly InterestsAt the Qiu Lab, our mission is to unravel and predict the intricacies of gene regulatory networks and cell-cell interactions pivotal in mammalian cell fate transitions over time and space, with a special emphasis on heart evolution, development, and disease. We are a dynamic and interdisciplinary team, harnessing the latest advancements in machine learning as well as single-cell and spatial genomics by integrating the predictive power of systems biology with the scalability of machine learning,
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Lisa Nguy Quach
Clinical Assistant Professor, Medicine - Primary Care and Population Health
Current Research and Scholarly InterestsTransitions of care, end-of-life care, care for vulnerable populations and patients with primary languages other than English, quality improvement, medical education, mentorship
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Michael M. Quach, MD
Adjunct Clinical Assistant Professor, Psychiatry and Behavioral Sciences
BioDr. Michael Quach, MD serves as Adjunct Clinical Assistant Professor in the Department of Psychiatry and Behavioral Sciences at Stanford University School of Medicine. Dr. Quach is a board certified psychiatrist with over 20 years of administrative and clinical experience.
Dr. Quach completed his medical training at Stanford University School of Medicine and psychiatric residency training at Stanford Hospital and Clinics. He served as Chief Resident in the Stanford Department of Psychiatry and Behavioral Sciences and was recipient of the prestigious Stanford George Gulevich Humanistic Medicine Award in 2006.
Dr. Quach is board certified by the American Board of Psychiatry and Neurology (ABPN), and he is a Fellow of the American Psychiatric Association (FAPA). He is President of the Vietnamese Physician Assocation of Northern California. He is also President of the Viet-American Mental Health Network. He is an active member of the Northern California Psychiatric Society (NCPS), the California Psychiatric Association (CPA), the American Psychiatric Association (APA), and the Stanford Alumni Association (SAA).
Clinical Focus
•Psychiatry
•Psychopharmacology
•Psychotherapy
Academic Appointments
•Adjunct Clinical Assistant Professor, Psychiatry and Behavioral Sciences
Professional Education
•Medical Education: Stanford University School of Medicine
•Residency: Stanford Hospital and Clinics
•Board Certification: Psychiatry, American Board of Psychiatry and Neurology
•Fellow of the American Psychiatric Association (FAPA)
Community Work Experience
•Chief Operating Officer & Medical Director: Mekong Community Center (San Jose, CA)
•Chief Medical Officer: Momentum for Mental Health (San Jose, CA)
•Medical Director: Catholic Charities of Santa Clara County (San Jose, CA)
•Medical Director: Family and Children Services (San Jose, CA)
•Medical Director: Traditions Behavioral Health (San Jose, CA)
Publications
J Am Geriatr Soc. 1994 Nov;42(11):1218-9. Oral Temperature Changes and Cognitive Decline in Alzheimer Patients: A Possible Association. Robinson D, Omar SJ, Quach M, Yesavage JA, Tinklenberg J.
Current Work: Private Practice Psychiatrist in Willow Glen, San Jose, CA. -
Stephen Quake
Lee Otterson Professor in the School of Engineering and Professor of Bioengineering, of Applied Physics and, by courtesy, of Physics
Current Research and Scholarly InterestsSingle molecule biophysics, precision force measurement, micro and nano fabrication with soft materials, integrated microfluidics and large scale biological automation.
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Thomas Quertermous, MD
William G. Irwin Professor of Cardiovascular Medicine
Current Research and Scholarly InterestsUnderstanding genetic basis of cardiovascular function and disease.
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James Quinn
Professor of Emergency Medicine, Emeritus
Current Research and Scholarly InterestsDr. Quinn's primary focus is emergency care research with previous experience running large multi-center trials.. He has an extensive research background in clinical decision making involving patients with syncope, neurological emergencies and in the development and clinical evaluation of tissue adhesives. He is currently an emeritus professor whose academic activity is focused on the protection of human subjects in research. He remains clinically active in the Palo Alto Foundation Medical Group
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Orlando Quintero, MD
Clinical Assistant Professor, Medicine - Infectious Diseases
BioDr. Orlando Quintero is a board-certified, fellowship trained internist specializing in the diagnosis and treatment of infectious diseases. He is also clinical assistant professor in the Department of Medicine, Division of Infectious Diseases, at Stanford University School of Medicine.
As a clinician, Dr. Quintero diagnoses and treats infectious diseases in immunocompromised patients. This includes the prevention, diagnosis and treatment of infections in patients who are immunosuppressed because of Solid Organ Transplantation, Bone Marrow (Hematopoeitic Cell) Transplants, Hematologic Malignancies, Chemotherapy for Solid Tumors, HIV who receive Chemotherapy, Solid Organ or Bone Marrow Transplants Immunomodulators for Auto-Immune Diseases and other forms of immunodeficiency.
Dr. Quintero has published on topics including coronavirus in kidney transplant patients, prevention of cytomegalovirus in heart transplant patients, and prevention of urinary tract infections in renal transplant patients. His work has appeared in publications including Transplant Infectious Disease, Emerging Infectious Diseases, and the Journal of Heart and Lung Transplantation.
He has delivered presentations at meetings of organizations including the International Society for Heart and Lung Transplantation, Interscience Conference on Antimicrobial Agents and Chemotherapy, and American Society of Tropical Medicine and Hygiene. Topics of his presentations have included prevention of cytomegalovirus, prevention of recurrent urinary tract infections, Chagas disease in New York City, and more.
Currently, Dr. Quintero is conducting research on treatment of patients with COVID-19, prevention and treatment of invasive fungal infections of the gastrointestinal tract in immunocompromised patients, and the epidemiology of invasive fungal infections in heart transplant recipients.
Among his awards, He has received honors for his teaching and research from Albert Einstein College. He also has earned recognition from the Fred Hutchinson Cancer Research Center and the American Society of Transplantation.
Dr. Quintero’s volunteer community service includes participation in health fairs to promote HIV testing and hypertension control, plus disease management in the Garifuna population in New York – descendants of an Afro-indigenous population from the Caribbean island of St. Vincent.
He is a member of the Infectious Disease Society of American, Infectious Diseases Association of California, American Society of Transplantation, and HIV Medicine Association. -
Sean Quirin
Assistant Professor (Research) of Psychiatry and Behavioral Sciences (Major Laboratories and Clinical & Translational Neurosciences Incubator)
BioDr. Quirin's laboratory develops minimally invasive methods to explore the causal role individual neurons play in the emergence of behavior. To this end, the lab's strength is the development of techniques which manipulate light to both detect and restoratively modulate brain activity down to the single-neuron scale. His lab continues to innovate with new tools which map these functional relationships onto the molecular and anatomical architecture of the brain. Utilizing these techniques, the lab aims to characterize how ensembles of neurons coordinate to encode and communicate information throughout the brain for sensing and behavior.
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Jennifer Anne Rabbitts
Professor of Anesthesiology, Perioperative & Pain Medicine (Pediatric) and, by courtesy, of Pediatrics
BioJennifer Rabbitts, MD is Professor and Chief of Pediatric Pain Management at Stanford University School of Medicine. Dr. Rabbitts directs an NIH-funded research laboratory focused on improving long-term pain and health outcomes in children and adolescents undergoing surgery. Her research is devoted to understanding and preventing chronic postsurgical pain, a disabling condition affecting 20% youth undergoing major surgery. Her current research studies investigate the role of biopsychosocial mechanisms including child psychosocial factors, parental/family factors, and psychophysical processes underlying acute to chronic pain transition. Current clinical trials focus on testing feasibility and efficacy of psychosocial and complementary and integrative interventions to improve acute postsurgical pain and prevent transition to chronic pain.
Dr Rabbitts is passionate about mentoring, and is a PI for the NIH HEAL PAIN Training grant in Maternal and Child Pain and Health at Stanford. She serves as section editor for Psychology, Psychiatry and Brain Neuroscience Section for Pain Medicine, and serves on the editorial boards for Pediatric Anesthesia and Journal of Pain.
Read more about the Rabbitts Lab and opportunities here: https://rabbittslab.stanford.edu/ -
Marlene Rabinovitch
Dwight and Vera Dunlevie Professor of Pediatric Cardiology
Current Research and Scholarly InterestsOur research program seeks to identify the cellular and molecular programs regulating vascular and lung development, through the use of cultured cells and tissues and mouse and rat models. We then determine how these programs are perturbed by genetic abnormalities or injurious processes associated with disease, focusing on pulmonary arterial hypertension (PAH), a fatal complication in children with heart defects, and a condition of unknown etiology primarily in young women.
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Ralph Rabkin
Professor of Medicine, Emeritus
Current Research and Scholarly InterestsDr Rabkin is examining the mechanism of the acquired resistance to hormones that develops in kidney failure.In particular he is studying the impact of kidney failure on the action of growth hormone and the role of impaired signal transduction as a cause of growth hormone resistance. He is also engaged in the study of growth factors in diabetic kidney disease.
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Thomas Raffin
The Colleen and Robert Haas Professor in Medicine and Biomedical Ethics, Emeritus
Current Research and Scholarly InterestsDr. Raffin is a clinician, teacher and investigator. He retired as Chief of the Division of Pulmonary and Critical Care Medicine in 2004. His key areas of academic interest include the biology and management of acute lung injury; basic biology of human lung and white cells; and, key issues in biomedical ethics including withholding and withdrawing life support, health care delivery, genomics, genetic screening, and neuroethics.
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Nilima Ragavan
Clinical Professor, Pediatrics - Neonatology
BioDr Nilima Ragavan is a Neonatologist and Clinical Professor at the Stanford University School of Medicine. She is an experienced clinician who has expertise in the care of critically ill newborns.She is the Neonatal Outreach Medical director for Stanford Children's health, Co director of the Mid Coastal California Perinatal Outreach Program, and the Medical director of the Special care Nursery at Stanford Children's Health.She serves as a mentor to junior faculty. Dr Ragavan is passionate about education, and social justice. She has worked in and promoted social organizations in the fields of education, health care, livelihood and women's empowerment in India.She founded a group called Teach to Heal to promote cross cultural education and has led several multidisciplinary medical teams to India, as well as organized and conducted international neonatal and perinatal conferences.
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Amer Raheemullah
Clinical Associate Professor, Psychiatry and Behavioral Sciences
BioDr. Amer Raheemullah, MD, is Associate Clinical Professor of Psychiatry and Behavioral Sciences at Stanford University. He specializes in the treatment of addictive behavior, has published chapters and peer-reviewed articles in this area, and is Director of the Addiction Inpatient Medicine Service at Stanford Hospital.
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Ehsan Rahimy
Adjunct Clinical Associate Professor, Ophthalmology
BioDr. Ehsan Rahimy specializes in the medical and surgical management of diseases affecting the retina, with a clinical expertise in macular degeneration, diabetic retinopathy, retinal detachment, macular hole, macular pucker/epiretinal membranes, and uveitis.
Dr. Rahimy has authored well over 100 peer-reviewed publications, numerous book chapters, as well as other non-peer reviewed literature. He presents regularly at national and international ophthalmic meetings, having contributed over 200 conference abstracts.
He is passionate about the interplay between technology and medicine, and how ongoing advancements will transform healthcare delivery in the near future. Dr. Rahimy is frequently consulted for collaborative research endeavors and advises on numerous early stage companies involved in ophthalmology, telemedicine, A.I., and other medtech innovation.
Dr. Rahimy graduated with highest distinction from the University of Michigan, followed by receiving his medical degree, with high honors, at Baylor College of Medicine. During this time, he was one of a select few junior inductees into the Alpha Omega Alpha (AOA) Honor Society. He went on to complete his ophthalmology residency at the world-renowned Jules Stein Eye Institute at UCLA, recognized as one of the premier residency programs in the country, where he received the Pepose-Saltzman Young Investigator Research Award, Henry & Lilian Nesburn Research Award, and the Devgan Outstanding Surgical Resident Award. Afterwards, he pursued subspecialty training in vitreoretinal surgery at Wills Eye Hospital, considered the preeminent retinal fellowship program in the country, under the guidance and mentorship of many of the field's leaders. While there, he was awarded a Heed Fellowship, the Ronald G. Michels Fellowship Award, and the William B. Tasman Outstanding Fellow Award.
