School of Medicine
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Sara L. (Sally) Tobin
Sr Research Scholar, Pediatrics - Center for Biomedical Ethics
Current Research and Scholarly InterestsTobin is a Senior Research Scholar at the Stanford Center for Biomedical Ethics. She obtained her Ph.D. in Developmental Biology from the University of Washington and did postdoctoral research in Genetics at the University of California, Berkeley and in Biochemistry at the University of California, San Francisco. She became a faculty member at the University of Oklahoma College of Medicine in 1983 and moved to Stanford University in 1996. Her research contributions have been published in prestigious journals such as Cell, Nature, Genes & Development, Neuron, and Journal of Cell Biology.
Projects
With her collaborator, graphic designer Ann Boughton, Tobin has completed the production of three educational multimedia CD-ROM discs about the genetic revolution in medical care sparked by the rapid advances in our knowledge about the human genome. An on-line version derived and updated from these CDs is pending release through Twisted Ladder Media, and is entitled: "The New Genetics: Medicine and the Human Genome. Molecular Concepts, Applications, and Ramifications." In addition, Tobin and Boughton have collaborated on educational websites on inherited risk of breast cancer and on hereditary colorectal cancer with the Stanford Cancer Genetics Clinic.
Tobin's current major research interests include an educational project funded by the National Science Foundation to create and evaluate innovative modules for undergraduates entitled, "The New Genetics: Electronic Tools for Educational Innovation." The modules are presented in on-line form as an electronic course and are accompanied by workbook exercises and problem sets. The content includes principles of genetics, molecular genetic technologies, applications in medicine, environmental biology, agriculture, and society, as well as implications. In addition, she is collaborating on two projects that are exploring the ramifications of using genetic information about addiction risk in the judicial system.
Tobin is a member of the Benchside Consultation Team for the Center for the Integration of Research on Genetics and Ethics, and she evaluates clinical protocols for ethical issues for the Clinical Translational Research Program. -
Andreas Tolias
Professor of Ophthalmology
BioAndreas Tolias is a faculty member at Stanford University, where he co-leads the Enigma Project. His research lies at the interface of neuroscience and AI, combining large-scale neuroscience experiments with machine learning to uncover the principles of natural intelligence. By focusing on perceptual inference and decision-making, his lab integrates systems and computational neuroscience with AI to decipher the network-level principles of intelligence. Dr. Tolias’s work aims to reverse-engineer these principles to create AI systems that are smarter, more robust, trustworthy, and efficient, while providing a powerful platform to test brain algorithms under complex natural tasks. He earned his B.A. and M.A. in Natural Sciences from the University of Cambridge, a Ph.D. in Systems and Computational Neuroscience from MIT, and completed postdoctoral training in Neuroscience and Machine Learning at the Max Planck Institute for Biological Cybernetics in Tübingen.
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Kimberley Tolias
Professor (Research) of Anesthesiology, Perioperative and Pain Medicine
Current Research and Scholarly InterestsThe human brain is composed of billions of neurons connected through trillions of synapses that form the neural circuits underlying thought, emotion, learning, memory, and behavior. These synaptic connections are not static - they are continuously shaped and remodeled throughout life in response to experience, a processes critical for learning and memory. When neural circuits fail to develop or function properly, the consequences can be devastating, contributing to conditions ranging from autism spectrum disorder and intellectual disability to chronic pain, depression, schizophrenia, Alzheimer's disease, and cognitive decline.
Research in the Tolias laboratory seeks to understand the fundamental molecular and cellular mechanisms that govern how neural circuits form, adapt, and repair themselves in the mammalian central nervous system (CNS). Our work focuses on how neurons sense signals from their environment and convert them into intracellular signaling pathways that drive synapse formation and remodeling, dendritic and axonal growth, and cell migration. We are also interested in how disruption of these pathways contributes to neurological and neuropsychiatric disease, and whether targeting specific signaling mechanisms can promote recovery following CNS injury or disease.
The laboratory combines mouse genetics with molecular, cellular, biochemical, electrophysiological, genomic, and behavioral approaches to bridge fundamental neuroscience with translational discovery.
Current Research Areas:
- Molecular mechanisms regulating synapse development, neural circuit formation, and synaptic plasticity during learning and memory
- Roles of Rho GTPase signaling pathways in brain development, circuit remodeling, and neurological disease
- Functions of Adhesion-GPCRs in synapse development, dendritic and axonal growth, and neural circuit function
- Mechanisms underlying chronic pain, opioid tolerance, and chronic pain-associated mood and cognitive disorders
- Synaptic and circuit dysfunction following traumatic brain injury, radiotherapy, and other CNS injuries
- Development of new tools to visualize and map synaptic remodeling during learning and disease
- Interactions between the gut microbiome, brain development, neural circuit function, and behavior -
Lucy Tompkins
Lucy Becker Professor of Medicine, Emerita
Current Research and Scholarly InterestsGenetic and cellular basis of pathogenicity of Helicobacter pylori. Molecular epidemiology, hospital epidemiology, quality improvement in healthcare associated infections.
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Hui Qi Tong
Clinical Professor, Psychiatry and Behavioral Sciences - Medical Psychiatry
BioClinical Professor, Stanford Department of Psychiatry & Behavioral Sciences
Clinical Associate Professor, Stanford Department of Psychiatry & Behavioral Sciences
HS Clinical Assistant Professor, UCSF Department of Psychiatry & San Francisco VA Health Care
Staff Psychologist: Women's Mental Health Program, San Francisco VA Health Care System
Academic visitor: Oxford Mindfulness Center, Department of Psychiatry, Oxford University
Psychology Post-doctoral Fellowship: UCSF/San Francisco VA Health Care System
Psychology Pre-doctoral Internship: UCSF/San Francisco VA Health Care System
Psychology Education: Pacific Graduate School of Psychology, Palo Alto University (2008)
Clinical Research Associate: Department of Psychiatry, Tufts University School of Medicine
Research Fellow: Genetics Division, Department of Medicine, Boston Children's Hospital,Harvard Medical School
Medical Education: Fudan University, Shanghai Medical College, Shanghai, China (1994) -
Diana Tordoff
Instructor, Obstetrics & Gynecology - General
BioDiana M. Tordoff, PhD, MPH is an epidemiologist with expertise in LGBTQ+ health equity and gynecological health research. Dr. Tordoff completed her PhD and MPH in Epidemiology at the University of Washington and received a BA with honors in Mathematics from Vassar College. She is also an affiliated researcher with The PRIDE Study (pridestudy.org), where she recently completed a postdoctoral fellowship. Her current research focuses on the impact of exogenous hormones (gender affirming hormones and menopause hormone therapy) on sexual and gynecological health. Her research interests include sexual and reproductive health, menopause, the vaginal microbiome, molecular epidemiology, intersectionality, and community-engaged research methods.
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Natalie Torok
Professor of Medicine (Gastroenterology and Hepatology)
Current Research and Scholarly InterestsOur lab is focused on exploring the role of matrix remodeling in disease progression in metabolic dysfunction steatohepatitis (MASH)-related hepatocellular carcinoma and primary sclerosing cholangitis. Our goal is to uncover how biomechanical characteristics of the ECM affect mechano-sensation, and how these pathways could ultimately be targeted. We are also interested in aging and its effects on metabolic pathways in MASH and HCC.
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Lénie Torregrossa, PhD
Clinical Assistant Professor, Psychiatry and Behavioral Sciences
BioDr. Lénie Torregrossa is a clinical psychologist and Clinical Assistant Professor in the Department of Psychiatry and Behavioral Sciences at the Stanford University School of Medicine. At Stanford, she works on the inpatient psychiatric units and in the INSPIRE clinic.
Dr. Torregrossa specializes in schizophrenia spectrum disorders, psychosis, and serious mental illness. Her approach to treatment is person-centered and recovery-focused, grounded in cognitive behavioral therapy (CBT) and informed by acceptance and commitment therapy (ACT). She is a CBT for Psychosis (CBTp) trainer and a member of the early psychosis coordinated specialty care team (INSPIRE360) at INSPIRE. Dr. Torregrossa's research focuses on risk and protective factors for schizophrenia spectrum disorders, self-disturbances in schizophrenia, and improving treatments for psychosis. She serves on the steering committee of the North America CBT for Psychosis Network (NACBTpN) and is a member of the Schizophrenia International Research Society, the Society of Biological Psychiatry, and the American Psychological Association. -
Jacob Towery
Adjunct Clinical Instructor, Psychiatry and Behavioral Sciences
BioJacob Towery, MD is an adolescent and adult psychiatrist in private practice in Palo Alto, California. He attended Duke University for his undergraduate studies, University of Virginia for medical school, and Stanford for his residency in adult psychiatry and fellowship in adolescent psychiatry. He is the author of "The Anti-Depressant Book," available on Amazon. He currently serves on the Adjunct Faculty at Stanford University School of Medicine. He enjoys seeing patients, snowboarding, scuba diving, traveling, reading fantasy novels, meditating, spending quality time with other humans, making gratuitously long lists, and writing about himself in the third person. More information can be found at www.jacobtowerymd.com
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Michael Tracy
Clinical Associate Professor, Pediatrics - Pulmonary Medicine
BioDr. Tracy is a Clinical Associate Professor in the Division of Pediatric Pulmonary. His clinical interests include care for children with bronchopulmonary dysplasia (BPD), chronic respiratory failure, mechanical ventilation, childhood interstitial lung disease, and cystic fibrosis. He serves as the director Pediatric Pulmonary BPD Program, and co-director of the Cardiac and Respiratory care for Infants with BPD (CRIB) Program. He is the medical director of the Stanford Technology Assisted Respiratory (STAR) Program and the physician lead for the inpatient Pulmonary consult service at LPCH. Dr. Tracy is currently involved in clinical research to improve care for infants with BPD. With regard to medical education, he was formerly a chief resident in pediatrics at LPCH, and served as a faculty coach in the pediatric residency program.
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Nicholas Trakul, MD, PhD
Clinical Professor, Radiation Oncology - Radiation Therapy
BioDr. Nicholas Trakul is a radiation oncologist with Stanford Medicine Cancer Center and clinical associate professor of Radiation Oncology-Radiation Therapy with Stanford School of Medicine. Dr. Trakul serves as Medical Director for Stanford Medicine Radiation Oncology in Pleasanton and for the Stanford Medicine I Sutter Health Cancer Collaborative in Castro Valley.
Dr. Trakul completed residency training at Stanford in 2013 and then joined the faculty at the University of Southern California, where he specialized in head and neck and central nervous system malignancies, with an emphasis on stereotactic radiosurgery (SRS) and stereotactic ablative radiotherapy (SABR/SBRT). He is widely published as first author in peer-reviewed journals. His research focus involves the creation of novel clinical databases as well as outcomes in the treatment of head and neck, gastrointestinal and thoracic malignancies. In 2017, Dr. Trakul returned to Stanford Medicine, becoming the Medical Director of Stanford Medicine Radiation Oncology in Pleasanton. In 2020, he was named Medical Director of Stanford Radiation Oncology Network Sites. Dr. Trakul served as medical directorship of Eden Radiation Oncology Center from 2022 to 2023, the first site to become operation under the Stanford/Sutter Cancer Collaborative. In 2024, he was named Vice Chair and Director of the Radiation Oncology Network. In November of 2024, Dr. Trakul was named Medical Director of Alta Bates Herrick Radiation Oncology. He is focused on providing access to high quality radiation therapy, collaboration with community health care systems and creating/maintaining productive and high engagement workplace culture. He believes in providing personalized, high-quality care, and bringing new technology to the East Bay, allowing patients to access cancer care while staying connected to their communities and support networks.
