Stanford University
Showing 14,001-14,100 of 34,423 Results
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Israel Juarez Contreras
Postdoctoral Scholar, Biochemistry
Current Research and Scholarly InterestsSterols are the most abundant lipid in the plasma membrane. Their structure is deeply conserved, built though a long iterative evolutionary process whose end products are the topology of the fused steroid ring system and the structure of the aliphatic tail extending from it. Together these let the molecule pack tightly against the acyl chains of neighboring lipids, which is how sterols reinforce the membrane and set its fluidity. This same interaction produces a second effect. Sterols associate preferentially with saturated lipids, particularly sphingolipids, and that preference sorts the bilayer into ordered domains, often called lipid rafts, which concentrate certain proteins and exclude others.
The Bloch hypothesis holds that the sterol biosynthetic pathway was progressively selected for membrane function, with each step yielding a molecule better suited to the bilayer than the one before it. Fluidity has historically been taken as the property under selection, but it is not the only one. Rebuilding ergosterol biosynthesis stepwise in living yeast showed that domain formation imposes its own demands, and that the two properties are not optimized by the same modifications. The pathway alternates between them, arriving at structures that regulate fluidity and organization together rather than either alone. A further design principle follows from this. The pairing between a sterol and the acyl chain length of its partner sphingolipid is highly specific. Replacing the native pathway in yeast with cholesterol biosynthesis abolished the domains ergosterol supports, since ergosterol pairs with the very long acyl chains of fungal sphingolipids while cholesterol pairs with the shorter chains of mammalian membranes.
These principles, observed in fungi, carry direct consequences for mammals, where cholesterol occupies two distinct pools. One is structural, held in complex with sphingolipids and other lipids. The other is a residual fraction, free or accessible that carries out essential roles in signaling and homeostasis. Accessible cholesterol is defined operationally, by what a probe can bind, but what it corresponds to physiochemically remains open. My central goal is to define accessible cholesterol through a more rigorous biophysical lens and connect that definition to the machinery in cells. -
Maria Juarez-Reyes
Clinical Associate Professor, Medicine - Primary Care and Population Health
BioDr. Juarez-Reyes received her PhD in Health Psychology, MD and Internal Medicine residency training from the University of California at San Francisco. Her focus during medical training was in Behavioral Medicine. In 2010, she became board certified in Integrative Medicine through American Board of Integrative Holistic Medicine. She is currently a Clinical
Associate Professor in the Division of Primary Care and Population Health, Department of Medicine, Stanford University. She is currently the Director of Behavioral Health Group Medical Visits and serves as Site Director for Internal Medicine Residency program at Stanford. She developed “Beyond Stress”, a six-week group intervention for patients with stress, anxiety, and depression. This intervention has now been translated into Spanish, Mas Alla del Estres, and it is delivered to community based Spanish speaking cancer patients.
Her current research evaluates integrative behavioral health group medical visits and the relationship to anxiety, depression, burnout, and sleep in primary care and Spanish speaking community-based populations. Previous health disparities research includes tobacco cessation practices of community-based providers, breast cancer screening follow-up in Latinx women, Latinx adolescent reproductive behavior, medication eligibility criteria effects in ethnic subgroups, and TB treatment in urban county jails. She enjoys travel, walking with friends, anything science fiction and spending time with her family. -
Connie Juel
Professor of Education, Emerita
Current Research and Scholarly InterestsPoor Reading in Preterms: Neural Basis, Prediction, & Response to Intervention (with Heidi Feldman & Michal Ben Shachar). Five-year grant funded by NICHD, 2012-2017.
Effects of early elementary school instruction, and specific interventions, on literacy and language growth.
Longitudinal study of literacy development from preschool through first grade. Focus on classroom factors in 13 kindergarten and 13 first grade classrooms that affect growth across the years in children with different entering skill and language profiles. -
Riley Juenemann
Ph.D. Student in Computational and Mathematical Engineering, admitted Autumn 2021
BioThird-year Computational and Mathematical Engineering (ICME) PhD Candidate @ Stanford University passionate about research at the intersection of mathematics, computing, and biology.
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Dominik Juling
Ph.D. Student in Environmental Social Sciences, admitted Autumn 2026
BioDominik Juling is a PhD student in Environmental Social Sciences (EBS). His research examines the intersection of climate change, peace, and conflict, focusing on how urban communities experience and respond to climate stress in ways that dominant security frameworks often fail to anticipate. He uses mixed-method approaches, combining multi-sited ethnography, remote sensing and GIS, and discourse analyses.
Before coming to Stanford, he earned master's degrees from Yale University and the London School of Economics and Political Science in environmental sciences and conflict studies.
He publishes across academic, policy, and public-facing formats in English and German, always exploring new fields, challenges, and questions. -
Maximilian Julve
Clinical Assistant Professor, Medicine - Oncology
BioDr. Max Julve is a medical oncologist and Clinical Assistant Professor of Medicine (Oncology) at Stanford University School of Medicine, with a clinical and research focus in solid tumor cellular therapy and melanoma.
Dr. Julve completed his medical training at Barts and The Royal London School of Medicine in the United Kingdom, followed by internal medicine training at teaching hospitals across North and Central London. He was subsequently awarded a National Institute for Health and Care Research (NIHR) Academic Clinical Fellowship in Medical Oncology at Imperial College London. During this time, alongside his clinical training, he conducted translational research within the King’s College London Immunoengineering group, focusing on transcriptional optimization of CAR-T cell therapies.
Dr. Julve later completed advanced clinical fellowships in solid tumor cellular therapy and melanoma at The Royal Marsden Hospital, London, and earned an MD(Res) doctorate investigating the role of immunosuppressive granulocytes in patients receiving immunotherapy.
He is a clinical investigator specializing in melanoma, immuno-oncology, and solid tumor cellular therapy, with a particular emphasis on translating mechanistic insights from the laboratory into novel therapeutic strategies for patients. -
Irene Jun
Clinical Assistant Professor, Pediatrics - Neonatology
BioIrene Jun, MD, is a Clinical Assistant Professor of Pediatrics in the Division of Neonatal and Developmental Medicine at Stanford University School of Medicine and a neonatal hospitalist at Lucile Packard Children’s Hospital Stanford. Her academic work focuses on newborn care, neonatal resuscitation, and medical education.
Dr. Jun serves as Associate Rotation Director for the Packard Intermediate Care Nursery, a core Stanford pediatric residency rotation that she has helped lead since 2012. She has developed an extensive curriculum of bedside, simulation-based, digital, and point-of-care educational resources to support pediatric trainees in newborn medicine.
Her scholarly interests include delivery room education, neonatal resuscitation, simulation, and innovative approaches to point-of-care learning. -
Ronald "Ronny" Junkins
Ph.D. Student in Computational and Mathematical Engineering, admitted Autumn 2026
BioI'm an incoming PhD student at Stanford at the Institute of Computational and Mathematical Engineering (ICME). Before that, also at Stanford, I completed my master's degree in computer science and my bachelor's degree in mathematics.
Broadly, I am interested in deep learning theory, including developing interpretable machine learning models and mathematics which helps explain their behavior. Currently, I am also interested in problems in tabular data. If you are interested in collaborating, please feel free to reach out! -
Patrick Jurney
Visiting Scholar, Chemical and Systems Biology Operations
BioPatrick Jurney is the Kordestani Endowed Chair and an Associate Professor of Biomedical Engineering at San Jose State University. A Fellow of the American Heart Association (FAHA), his research focuses on the intersection of fluid dynamics and cellular mechanics, with a particular emphasis on cardiovascular health and disease..
Dr. Jurney completed his Ph.D. in Thermal Fluid Systems at the University of Texas at Austin, where he designed and built microphysiological systems to investigate the role of nanoparticle properties in targeted drug delivery. Following his doctoral studies, he was a T-32 Fellow in Translational Engineering at Oregon Health & Science University (OHSU). During his fellowship, he worked with cardiovascular biomaterials and characterized how biomaterial properties influence endothelialization and thrombogenesis.
Currently, his research laboratory at SJSU investigates the role of fluid shear stress mechanotransduction on endothelial metabolic structure and function. Dr. Jurney is a pioneer in using holotomographic microscopy to study sub-cellular organelles in cardiovascular disease. He is also collaborating in the laboratory of Dr. Daria Mochly-Rosen to characterize the role of mitochondrial structure and dynamics in metabolic function in response to ischemia/reperfusion and other models of cardiovascular health and disease.
Website: https://www.jurneylab.org/
Email: patrick.jurney@sjsu.edu or pjurney@stanford.edu -
Prerak Juthani
Clinical Assistant Professor, Medicine
BioPrerak Juthani is a Bay Area native and completed his undergraduate studies at UC Berkeley, where he graduated summa cum laude and double-majored in Molecular Biology and Public Health. He then went on to Yale where he was able to bridge his love of medicine and entrepreneurship by completing the joint MD-MBA program. Afterward, he was lucky enough to come back home to complete his Internal Medicine residency at Stanford.
He is fascinated by medicine and how all the organ systems come together to create the human experience. He conducts research related to clinical outcomes in patients with Diabetic Foot Infections and also participates in various quality improvement initiatives in the hospital. Specifically, he is the co-founder of "The Kindness Coalition," which works to foster kindness among healthcare workers in order to create a more inclusive and collaborative healthcare environment.
Outside of the hospital, Prerak has a Youtube channel where he creates videos to increase transparency of what it’s like to be a medical student and resident; he also has a podcast called Red, White & Brown, which provides an insight into the novel immigrant experiences of first-generation South Asian immigrants. He is an active runner/marathoner, avid reader, and proud dog dad. -
Nicholas Hedemann Juul
Instructor, Medicine - Pulmonary, Allergy & Critical Care Medicine
Current Research and Scholarly InterestsMolecular and cellular biology of the distal lung
High altitude medicine -
Neda Kaboodvand
Basic Life Res Scientist, Neurosurgery
Current Role at StanfordNeda Kaboodvand, PhD, is an Applied Research Scientist at Stanford University School of Medicine. Her research lies at the intersection of artificial intelligence, behavioral science, and clinical research, with a focus on using multimodal data to understand human behavior and improve clinical decision-making. She designs and leads experimental and observational studies and develops machine learning, statistical, and computational models to evaluate interventions, predict outcomes, and support personalized, adaptive approaches to care. A central part of her work involves modeling complex longitudinal and time-series data, including neural, electrophysiological, physiological, behavioral, imaging, and device-generated signals. By integrating these high-dimensional data sources, she develops models of patient and user state, identifies temporal patterns associated with outcomes and intervention response, and translates complex data into actionable insights for clinical and digital health systems.
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Saraswati Kache
Clinical Professor, Pediatrics - Critical Care
BioDr. Kache is a Clinical Professor of Pediatrics in the Division of Critical Care Medicine whose work spans pediatric transport, device innovation, global health, and sustainability. A recent Stanford Biodesign Faculty Fellow and recognized educator with multiple teaching awards, she is engaged in device development, building on a career devoted to critically ill children through innovation, education, and global collaboration.
She chairs the Sepsis Steering Committee at LPCH, which she helped launch in 2017 to develop a hospital-specific pathway from international guidelines, identify improvement opportunities, and drive better outcomes through education and evaluation of clinical data. She previously served on the American College of Critical Care Medicine committee that authored the Pediatric Sepsis Guidelines, shaping national and international standards.
As Medical Director of the Transport Program, she focuses on team education and standardized processes to build a high-functioning pediatric critical care transport team dedicated to safe inter-facility transport of critically ill children. She is also partnering with the American Academy of Pediatrics on a national multidisciplinary pediatric transport curriculum.
As a Stanford Innovations in Global Health Faculty Fellow, she founded the pediatric residency's Global Health Track to train physicians in equitable, sustainable pediatric care. Internationally, she has helped establish and support PICUs in Nepal, Uganda, and Zimbabwe, introduced CPAP in low-resource settings, and led PICU education and capacity-building to strengthen critical care infrastructure.
A member of the Maternal Child Health Research Institute, her research integrates guideline development, systems improvement, and global implementation of evidence-based pediatric critical care. She has recently begun examining how healthcare systems affect climate change and how to improve sustainability. -
Shamit Kachru
Professor of Physics and Director, Stanford Institute for Theoretical Physics, Emeritus
Current Research and Scholarly InterestsMy current research is focused in three directions:
— Mathematical aspects of string theory (with a focus on BPS state counts, black holes, and moonshine)
— Quantum field theory approaches to condensed matter physics (with a focus on physics of non-Fermi liquids)
— Theoretical biology, with a focus on evolution and ecology -
Deborah Kado
Professor of Medicine (Primary Care and Population Health) and, by courtesy, of Epidemiology and Population Health
BioDr. Kado is a board-certified, fellowship-trained doctor specializing in geriatrics. She serves as co-director of the Stanford Longevity Center. She is a professor of medicine and chief of research for the Geriatrics Section in the Department of Medicine, Division of Primary Care and Population Health. She is also the Director of the Geriatric Research, Education, and Clinical Center (GRECC) at VA Palo Alto Health Care System.
For each patient, Dr. Kado prepares a personalized care plan. Her objective is to help all individuals maintain the best possible health and quality of life as they age.
A special interest of Dr. Kado is bone health. She has conducted extensive research focused on osteoporosis and the related disorder hyperkyphosis.
Since joining the UCLA faculty in 2000, she has received continuous funding for her research from the National Institutes of Health (NIH).
She has over 100 peer-reviewed publications of her research findings in the Journal of Bone and Mineral Research, Osteoporosis International, Journal of Gerontology and Medical Sciences, Journal of Geriatric Oncology, Nature Communications, and other peer-reviewed journals.
In 2007, she defined hyperkyphosis as a new geriatric syndrome. Her discoveries in this field were first featured in the American College or Physician’s premier internal medicine journal Annals of Internal Medicine. Later, they also appeared in a dedicated chapter in UpToDate, the electronic resource providing evidence-based clinical decision support for doctors worldwide.
Prior to coming to Stanford, Dr. Kado practiced at UC San Diego where she started a dedicated osteoporosis clinic for patient care and research. She later broadened her research interests beyond musculoskeletal aging to study other aging-related topics such as the gut microbiome in older men and the effects of cancer treatments on aging in newly diagnosed breast cancer patients.
Dr. Kado is a California native. She trained at UCSF and UCLA. She also earned a Master of Science degree in epidemiology at the UCLA School of Public Health, sponsored by the John Hartford Foundation.
She is a member of the American Geriatrics Society, American Society of Bone and Mineral Research, Gerontological Society of America, The Endocrine Society, and other professional organizations. She co-chairs the NIH National Institute on Aging Workshop for the American Society of Bone and Mineral Research. She also participates in the Bone Health Working Group of the Society for Women’s Health Research.
