School of Medicine
Showing 1-100 of 1,300 Results
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Raya Saab
Lindhard Family Professor of Pediatric Cancer Biology
BioOur laboratory focuses on investigating molecular mechanisms of oncogene-induced tumorigenesis and tumor suppressor pathways, and oncogenic signaling in the pediatric solid tumor rhabdomyosarcoma. Our earlier work identified the tumor suppressors p53 and p18Ink4c as inhibitors of Cyclin D1-driven tumorigenesis in a pineoblastoma model, through senescence induction, and highlighted distinct roles for the the RB and p53 pathways in induction and maintenance of oncogene-induced senescence. We also identified CDK2 as a potential target for inducing senescence in premalignant lesions to inhibit tumor progression.
Our current focus is on studying oncogenic signaling and tumor suppression in the childhood tumor rhabdomyosarcoma, to identify key mediators of invasion and metastasis, which is the most common cause of treatment failure clinically. We use preclinical in vitro and in vivo models, including murine and human cell lines, and mouse models of disease.
We have recently uncovered a paracrine role for rhabdomyosarcoma-secreted exosomes in impacting biology of stromal cells. Rhabdomyosarcoma-derived exosomes carry specific miRNA cargo that imparts an invasive and migratory phenotype on normal recipient fibroblasts, and proteomic analysis revealed specific and unique pathways relevant to the two different molecular rhabdomyosarcoma subtypes that are driven by distinct oncogenic pathways. We identified that the driver oncogene in fusion-positive rhabdomyosarcoma, PAX3-FOXO1, modulates exosome cargo to promote invasion, migration, and angiogenic properties, and identified specific microRNA and protein cargo acting as effectors of PAX3-FOXO1 exosome-mediated signaling, including modulation of oxidative stress response and cell survival signaling.
Our ongoing work is focused on interrogating specific paracrine signaling pathways and molecular mechanisms of metastatic disease progression in rhabdomyosarcoma, for potential therapeutic targeting. -
Chiara Sabatti
Professor of Biomedical Data Science and of Statistics
On Leave from 10/01/2025 To 03/27/2026Current Research and Scholarly InterestsStatistical models and reasoning are key to our understanding of the genetic basis of human traits. Modern high-throughput technology presents us with new opportunities and challenges. We develop statistical approaches for high dimensional data in the attempt of improving our understanding of the molecular basis of health related traits.
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Suzanne Michelle Sachsman, MD
Basic Life Research Scientist, Dermatology
BioSuzanne Sachsman, M.D., is Clinical Assistant Professor of Dermatology. Dr. Sachsman received her Bachelor of Science degree in engineering from Brown University in 2000. She received her medical degree from the Keck School of Medicine of the University of Southern California in 2008 where she spent one year doing dedicated basic science research studying cancer immunotherapy. She trained in radiation oncology, completing residency at USC and fellowship at the University of Florida Health Proton Therapy Institute, prior to completing her dermatology residency at the University of California, Los Angeles in 2018. Dr. Sachsman is a board certified dermatologist and Fellow of the American Academy of Dermatology. Her clinical interests are general dermatology and complex medical dermatology including acne, psoriasis, atopic dermatitis, high risk non-melanoma skin cancer, pigmented lesions, supportive dermato-oncology, and cutaneous lymphoma.
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Zahra Sadat-Hossieny, MD
Clinical Assistant Professor, Adult Neurology
BioZahra Sadat-Hossieny, MD, is a board-certified neurologist who completed her fellowship in clinical epilepsy at Stanford University Hospitals and Clinics. She finished her residency in neurology at the Ohio State University Wexner Medical Center. She obtained her medical degree and a certificate in global health from the George Washington University School of Medicine and Health Sciences.
She has extensive experience treating patients with epilepsy and currently provides care through the Comprehensive Epilepsy and Comprehensive Neurology Programs at Stanford Health Care. In addition to her clinical responsibilities, Dr. Sadat-Hossieny also teaches future generations of clinicians as an assistant professor at Stanford School of Medicine in the Department of Neurology, Epilepsy, and Comprehensive Neurology.
Dr. Sadat-Hossieny has authored several peer-reviewed journal articles and book chapters. She has presented her research orally and through posters at various conferences. During her fellowship at Stanford University Hospitals and Clinics, she used advanced diagnostic techniques including video-EEG monitoring, computerized brainwave mapping, diagnostic imaging, neuropsychiatric testing, and functional mapping to accurately diagnose epilepsy and conditions imitating epilepsy. She also gained expertise in the most advanced forms of epilepsy treatment including neuromodulation, epilepsy surgery and medications specific to epilepsy. Her research focused on the cognitive effects of anti-seizure medications on patients with epilepsy and their children. She has also published on the importance of nutrient supplementation on cognition in patients taking anti-seizure medications. Her collaborations include projects that assess and improve patients’ understanding of their own seizure types. -
Amin Sadeghi
Postdoctoral Scholar, Anesthesiology, Perioperative and Pain Medicine
Current Research and Scholarly InterestsApplications of artificial intelligence in medicine
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Sina Sadeghzadeh
MD Student with Scholarly Concentration in Clinical Research, expected graduation Spring 2026
BioSina was born in Tehran, Iran and raised in Zanjan, Iran. He came out to Massachusetts to attend Harvard University where he obtained his undergraduate degree cum laude in Neuroscience with a secondary in Economics. In college, Sina conducted wet-lab research under the supervision of Dr. Hugo Bellen, worked as a legal intern in Levy Firestone Muse LLP, and served as a research assistant for Drs. Francis Shen, Steven Levitsky, and Jennifer Hochschild. Sina moved to California (by bike!) to begin medical school at Stanford where he is currently pursuing clinical and basic science research opportunities in the neuroscience domain. Outside of medical school, Sina is an avid cyclist, enjoys going on walks, doing yoga, and learning to salsa dance.
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Aim-On Saengsirinavin
Affiliate, Ophthalmology Research/Clinical Trials
BioCLINICAL RESEARCH FELLOW IN MEDICAL RETINA AND UVEITIS, OPHTHALMOLOGY RESEARCH/CLINICAL TRIALS
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Agustina D Saenz
Clinical Assistant Professor, Medicine
BioAgustina Saenz is a Clinical Assistant Professor in the Division of Hospital Medicine at Stanford University School of Medicine. She earned her medical degree from the Universidad de Buenos Aires and completed her internal medicine residency, and later served as Chief Resident at Einstein Medical Center. She further pursued graduate studies at Harvard, earning a Master in Public Health from the T.H. Chan School of Public Health and a Master in Biomedical Informatics from Harvard Medical School. She also completed a Clinical Informatics fellowship at Mass General Brigham prior to joining the Stanford faculty.
Dr. Saenz’s work bridges clinical care, AI research, and health system operations. At Curai Health, she serves as a Senior Clinical Informaticist, focusing on optimizing large language models to improve diagnostic reasoning and patient safety. Her academic interests include the responsible deployment of AI in healthcare, evaluation of model generalizability, and developing system-level interventions to advance health equity. Prior to her current role, she served as Unit Medical Director and Chair of the Hiring Committee at Brigham and Women’s Hospital, where she led initiatives to enhance quality metrics and foster inclusive hiring practices. -
Rebecca Saenz
Clinical Assistant Professor, Pediatrics - Immunology
Current Research and Scholarly InterestsAllergy, Immunology, Bioengineering and Biodesign
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Samuel Ricardo Saenz
Clinical Assistant Professor, Psychiatry and Behavioral Sciences
BioDr. Sam Saenz was born in the Bay Area and received his bachelor’s degree in psychology from Stanford University. He completed his medical degree at UC Irvine’s Program in Medical Education for the Latino Community, and he also obtained a Master’s in Public Health from UC Berkeley. After serving as chief psychiatry resident during his psychiatry residency at Stanford, he completed a fellowship in public psychiatry at UC San Francisco. His professional interests include fostering the next generation of diverse mental health providers and community advocacy.
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Debra Safer
Professor of Psychiatry and Behavioral Sciences (General Psychiatry and Psychology-Adult)
Current Research and Scholarly InterestsPrimary research interests include the nature and treatment of eating disorders
(particularly bulimia nervosa and binge eating disorder), the development and treatment of obesity, and the development and treatment of problematic eating patterns in patients following bariatric surgery. -
Marc R. Safran, MD
Professor of Orthopaedic Surgery
Current Research and Scholarly InterestsDr. Safrans practice focuses on arthroscopic management of hip problems as well as articular cartilage regeneration, shoulder surgery and athletic shoulder and elbow problems. He is actively involved in research in these areas.
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Julien Sage
Elaine and John Chambers Professor of Pediatric Cancer and Professor of Genetics
Current Research and Scholarly InterestsWe investigate the mechanisms by which normal cells become tumor cells, and we combine genetics, genomics, and proteomics approaches to investigate the differences between the proliferative response in response to injury and the hyperproliferative phenotype of cancer cells and to identify novel therapeutic targets in cancer cells.
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Manish Saggar
Associate Professor (Research) of Psychiatry and Behavioral Sciences (Interdisciplinary Brain Science Research)
Current Research and Scholarly InterestsWe are a computational neuropsychiatry lab dedicated to developing computational methods to better understand brain’s overall dynamical organization in healthy and patient populations. We employ algorithms from a wide range of fields, including Applied Mathematics, Econometrics, Machine Learning, Biophysics, and Network Science.
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Jeffrey Sagun
Assistant Clinical Research Coordinator, Dermatology
BioJeffrey Sagun, B.S., is a REACH Postbaccalaureate Scholar at Stanford Medicine's Department of Dermatology. He was born and raised in Chicago. He received his B.S. in Neuroscience from Trinity College–Hartford in 2021 and was a Posse Foundation Scholar. He then spent three years training at the NIH/NCI as a NIH Academy Enrichment Program Scholar and Postbac CRTA Research Fellow, studying neurological disease in xeroderma pigmentosum patients. He is currently interested in studying the clinical characteristics and genetic causes of rare or complex disease patients.
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Kristin Sainani (n e Cobb)
Professor (Teaching) of Epidemiology and Population Health
Current Research and Scholarly InterestsScience writing, science communication, biostatistics. Research areas: osteoporosis, stress fractures, sports injuries, female athlete triad.
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Gaurav Saini
Life Science Research Professional, Pediatrics - Cardiology
Current Role at StanfordLife Science Research Professional 1
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Hamed Sajjadi, MD, FACS
Staff, OHNS/Otolaryngology/Head & Neck Surgery
Clinical Professor (Affiliated), OHNS/Otology & Neurotology DivisionCurrent Role at StanfordClinical Professor, supervising residents and medical students at Palo Alto VA health care system on a weekly basis.
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Debbie C. Sakaguchi Sakai
Clinical Professor, Pediatrics
Current Research and Scholarly InterestsMedical education, shared decision making, resuscitation.
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Kathleen M. Sakamoto
Shelagh Galligan Professor in the School of Medicine
Current Research and Scholarly InterestsMy research focuses on the molecular pathways that regulate normal and aberrant blood cell development, including acute leukemia and bone marrow failure syndromes. We are also studying novel drugs for treatment of cancer.
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Sarada Sakamuri, MD
Clinical Associate Professor, Adult Neurology
Clinical Associate Professor (By courtesy), NeurosurgeryBioDr. Sarada Sakamuri is a neurologist, neurophysiologist, and sonographer who specializes in the care of patients with nerve injuries and other neuromuscular disorders. As Co-Director of the Center for Peripheral Nerve Surgery, she oversees coordinated care in conjunction with the Neurology Clinic, Neurodiagnostic Lab, and Neurosurgery Clinic. She serves on multiple interdisciplinary teams focused on the care of patients with nerve conditions, including the Stanford Nerve Team, Stanford Facial Nerve Center, Stanford Women's Neurology Program, and Stanford Periprocedural Nerve Symptom Pathway.
She is an expert in the use of nerve and muscle ultrasound to diagnose and manage neuromuscular conditions. She performs advanced diagnostic evaluations of peripheral nerve conditions, integrating nerve and muscle ultrasound and neurophysiologic EMG/NCS testing at the bedside. She has advanced training in nerve and muscle ultrasound has served on the American Association of Neuromuscular and Electrodiagnostic Medicine (AANEM)'s Neuromuscular Ultrasound Committee and Neuromuscular Ultrasound Exam Committee.
She also plays an active role in graduate medical education. She serves as the Program Director of the Stanford Neuromuscular Medicine Fellowship and Associate Director of the Clinical Neurophysiology/EMG Fellowship, with a total of five ACGME-accredited positions. She supervised residents in the weekly neurology resident continuity clinic for many years. She been awarded numerous teaching awards, including the Lysia S. Forno Award for outstanding contributions to resident teaching, and the American Academy of Neurology's A.B. Baker Teacher Recognition Award.
Dr. Sakamuri completed her undergraduate studies at Rutgers University, where she earned a degree in psychology with Phi Beta Kappa distinction. She completed medical school at Rutgers New Jersey Medical School in Newark, NJ, where she led multiple community service and medical education activities and was elected to the Alpha Omega Alpha and Gold Humanism Honor Societies. She moved to the Bay Area to pursue neurology residency at Stanford and served as Chief Resident in her final year of training. She then completed two years of fellowship at Stanford and the Forbes Norris MDA/ALS Research Center in EMG/Clinical Neurophysiology and Neuromuscular Medicine.
She is board-certified in Neurology and in Neuromuscular disorders by the American Board of Psychiatry and Neurology (ABPN). She is certified in EMG/NCS by the American Board of Electrodiagnostic Medicine (ABEM), and holds the ABEM Certificate of Added Qualification in Neuromuscular Ultrasound. She is a member of numerous societies, including the Performing Arts Medicine Association. -
Sara Saki
Clinical Research Coordinator, Adult Neurology
Current Role at StanfordClinical Research Coordinator at Stroke Center
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Yann Sakref
Postdoctoral Scholar, General Surgery
BioYann Sakref is a Postdoctoral Scholar in General Surgery at Stanford University, working within the Knowlton Lab. With a passion for interdisciplinary sciences and advancing medical biotechnology and patient care, Yann is developing clinical and AI solutions as part of an ARPA-H-funded project under Dr. Knowlton's supervision. His work focuses on creating computer vision models for surgical assistance and contributing to the collaborative development of innovative tools by working closely with clinical, engineering, and AI teams. He also works closely with collaborators at the S-SPIRE Center.
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Cintia Kimura
Affiliate, Department Funds
Resident in SurgeryBioGraduated from Medical School from Universidade de São Paulo (2013). Completed surgical training in General Surgery (2016) and Colorectal Surgery (2018) at Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Brazil.
Dr. Kimura obtained a PhD degree on anal cancer screening strategies at Universidade de São Paulo (2021) and an MPH degree with concentration in Epidemiology at Harvard T. H. Chan School of Public Health (2023).
Her current research focuses on how the gut microbiome can affect patients' risk of developing complications after colorectal surgery, and whether it can be modulated by short-term dietary interventions.
Her previous work focused on prevention and early treatment of anal and rectal cancer, and on the interaction between HPV infection and anal neoplasia. -
Giovanni Marco Saladino
Postdoctoral Scholar, Radiology
BioI am a Postdoctoral Scholar in the Department of Radiology at Stanford University. I graduated in Engineering Physics with a BSc at Politecnico di Milano (Italy) and an MSc at KTH Royal Institute of Technology (Sweden). In 2024, I obtained my PhD in Biological and Biomedical Physics from the Department of Applied Physics at KTH Royal Institute of Technology.
My research interests lie at the intersection of molecular imaging, nanomedicine, and nanomaterials. Specifically, I focus on developing novel contrast agents and exploring advanced imaging techniques. During my PhD studies, I designed hybrid multimodal contrast agents for complementary imaging using X-ray fluorescence computed tomography, magnetic resonance imaging, and optical fluorescence imaging. I am currently involved in investigating theranostic applications of nanomaterials, which hold great promise for personalized medicine and targeted therapies. -
Khalid Salaheldin, MD
Clinical Associate Professor, Psychiatry and Behavioral Sciences
BioKhalid Salaheldin, MD, holds the position of Clinical Associate Professor and serves as an interventional psychiatrist within the Department of Psychiatry & Behavioral Sciences at Stanford University School of Medicine. His expertise lies in the specialized care of individuals who present with early psychosis.
At Stanford, Dr. Salaheldin's current responsibilities encompass a range of clinical activities, including evaluating patients with early psychosis at the INSPIRE clinic, where is is also part of the expansion team for INSPIRE 360. He provides care on the inpatient psychiatric unit and interventional psychiatry services as well. In addition to his clinical work, he is actively engaged in teaching, conducting research, and fostering collaborative learning among his patients and colleagues.
His treatment philosophy is a recovery oriented and compassionate approach evaluating vital underlying factors alongside pharmacotherapy & neuromodulatory interventions including: sleep, exercise, nutrition, mindfulness, therapy integration, underlying medical issues, substance use, psychosocial history, and importantly patients’ current relationships (including pets of course!). His approach focuses on meeting patients where they are at in their health journey, aligning treatment with their personal goals, and being actively present in their management.
Dr. Salaheldin’s research interests include early psychosis interventions, underlying medical causes of psychiatric symptoms, neuromodulation, community/global mental health, spirituality and mental health, novel psychiatric therapeutics, mental health parity & policy, and healthcare worker wellness through minimizing coding and documentation burden.
Before joining Stanford, Dr. Salaheldin served as the academic chief resident at Northwell Health, where his focus centered on designing a consult liaison service for patients experiencing a first episode of psychosis. This pioneering initiative aimed to provide compassionate support to patients and their families from the moment they arrived at the emergency room, throughout their inpatient stay, and during their transition to the outpatient setting. He hopes to continue this work on a local and global scale.
“True compassion means not only feeling another's pain, but also being moved to help relieve it. ” —Daniel Goleman -
Atif Saleem
Clinical Assistant Professor (Affiliated), Pathology Clinical
Staff, Pathology Operations supported expensesBioDr. Atif Saleem completed his residency training in Anatomic and Clinical Pathology, followed by fellowships in Hematopathology and Dermatopathology at Stanford. He is board certified in both Anatomic Pathology and Clinical Pathology, Hematopathology, and Dermatopathology. His interests include virus-associated neoplasms, medical education, and global health.
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Lilyane Saleh
Affiliate, Department Funds
Fellow in Rad/Musculoskeletal ImagingBioDr. Lilyane Saleh is a Musculoskeletal Radiology Fellow at Stanford University. She completed her Diagnostic Radiology residency at the University of Toronto, where she received comprehensive training across major academic hospitals and gained experience in a broad range of subspecialties.
Originally trained as a physician in Lebanon, Dr. Saleh later earned her Canadian MD from Université de Montréal. She was one of only a handful of international medical students selected to enter the Quebec medical system through an extremely competitive pathway. Her diverse training and background have shaped a thoughtful approach to patient care and collaboration.
During residency, Dr. Saleh held several leadership roles including Co-Chair of the Social and Wellness Committee, and RSNA Resident Representative. She was recognized with multiple honors such as the Citizenship Award (2025) for her professionalism and community impact, the PGY-1 Clinical Performance Award, and the Social Committee Chair Award. She has also contributed to resident education and mentorship.
She is trilingual in English, Arabic, and French and enjoys swimming, exploring new cities, and spending time with her family.
