School of Medicine
Showing 61-80 of 143 Results
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Michael Kozal
Professor of Medicine (Infectious Diseases)
BioDr. Kozal is a Professor of Medicine in the Division of Infectious Diseases and Geographic Medicine and is the Director of Operations for the Department of Medicine Clinical Research Hub. He previously served as Senior Associate Dean for Veteran Affairs at Stanford School of Medicine and Chief of Staff at VA Palo Alto Health Care System. Prior to coming to Stanford, he was a Professor of Medicine at Yale University School of Medicine and served as Associate Dean for Veteran Affairs at Yale University School of Medicine and the Chief of Staff at VA Connecticut Healthcare System.
Dr. Kozal is a translational researcher who has focused his research career on three areas: 1) investigating the genetic determinants of HIV and HCV drug resistance, 2) the development of new molecular methods to detect viral mutations, and 3) HIV and HCV clinical trials involving new drugs and diagnostic technology. Dr. Kozal is an expert in microarray and deep sequencing technology receiving patents for his work in genotyping. Dr. Kozal previously directed the Yale HIV Clinical Trials Group and has more than 20 years of experience in running clinical trials, serving as the principal investigator or site investigator on >40 HIV and Hepatitis C trials. He has served on multiple VA and NIH/NCI review panels and was a member of the DHHS/NIH Panel on Antiretroviral Guidelines for Adults and Adolescents from 2015-2024.
Dr. Kozal is currently serving as the overall Director of Operations for the Department of Medicine Clinical Research Hub. The key hub functions include research navigation, enhanced pre-award support for budgeting and submission strategy, streamlined contracting with research sponsors, a multisite clinical coordination center to coordinate and monitor complex studies, and a centralized digital platform for study design, data access, and analytics.
Dr. Kozal sees patients in the Infectious Diseases Clinic and the Valley Fever Clinic in Palo Alto. -
Vivian Levy
Clinical Associate Professor (Affiliated), Medicine - Med/Infectious Diseases
Staff, Medicine - Med/Infectious DiseasesBioVivian Levy is Chief of Infectious Diseases at San Mateo Medical Center (SMMC), San Mateo County’s safety net hospital and clinic system in northern California since 2015 and the County’s STD Control Officer since 2006. San Mateo County has 760,000 persons and connects the urban centers of San Francisco and San Jose, California.
Dr. Levy leads Stanford’s Internal Medicine outpatient Infectious Diseases rotation for Internal Medicine residents. She has served 2 terms as president of the California STD/HIV Controllers Association. From 2004-2008, she was the medical officer for the Chemoprophylaxis for HIV prevention in men study in Lima, Peru.
In 2020, she was the San Mateo Medical Center site investigator for the Expanded Access Treatment Protocol: Remdesivir for the Treatment of SARS-CoV2 Infection. She began SMMC patient recruitment for Stanford outpatient COVID studies July 2020 with the goal of increasing historically underrepresented populations participation and access in COVID outpatient treatment trials.
She has an undergraduate degree from Brown University (1989,) an MD from Rush University Medical College in Chicago (1994,) completed internship in Internal Medicine at Cook County Hospital in Chicago (1995) Internal Medicine residency at Northwestern University (1997) and an Infectious Diseases and Geographic Medicine fellowship at Stanford University (2000-2004.) -
Marc Lipsitch
Michael and Barbara Berberian Professor, Professor of Biology and Senior Fellow at the Freeman Spogli Institute for International Studies
BioMarc Lipsitch started his appointments at Stanford on January 1, 2026. From 1999-2025 he was a faculty member at Harvard TH Chan Schooll of Public Health, where he was Professor of Epidemiology (20062025) and founding Director of the Center for Communicable Disease Dynamics (2009-2025).
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Nathan Lo
Assistant Professor of Medicine (Infectious Diseases) and, by courtesy, of Epidemiology and Population Health
Current Research and Scholarly InterestsOur research group is interested in studying the transmission of infectious diseases and impact of public health interventions with an ultimate goal of informing public health policy. We study a diverse set of pathogens, both domestically and internationally, including vaccine-preventable infections (including COVID-19) and neglected parasitic diseases (such as schistosomiasis). Our group applies diverse computational methodologies, including tools from fields of epidemiology, mathematical and statistical modeling, simulation, and policy analysis.
A large emphasis of our work is translating scientific evidence into public health policy. Our track record includes multiple studies that have changed policy in the fields of neglected parasitic diseases and COVID-19. We work closely with policy organizations like the World Health Organization and the California Department of Public Health. Nathan was the lead writer of the World Health Organization guidelines on schistosomiasis (2022) and strongyloidiasis (2024).
Our current research focuses on the following areas:
(1) Vaccine-preventable infectious diseases (including COVID-19 and measles) in the United States, with a focus on studying vaccines, transmission dynamics, and re-emergence of vaccine-eliminated diseases
(2) Public health strategies for control and elimination of globally important neglected infectious diseases, such as helminths infections (schistosomiasis, strongyloidiasis) and typhoid fever
Our current NIH funded projects include:
(1) Real-time predictive modeling for public health departments to control infectious diseases (DP2 AI170485, PI: Lo)
(2) Precision mapping of Schistosoma mansoni risk for targeted public health control and elimination (R01 AI179771, PI: Lo)
Hiring
We are seeking to fill multiple research positions at all levels. Candidates interested in working on computational public health research related to infectious diseases with a strong quantitative background are highly encouraged to apply. If you an interested, please submit a cover letter, CV, and names of two references to Nathan.Lo@stanford.edu. -
Stephen Luby
Lucy Becker Professor of Medicine, Senior Fellow at the Woods Institute for the Environment, Freeman Spogli Institute for International Studies and Professor, by courtesy, of Epidemiology and Population Health
Current Research and Scholarly InterestsDr. Luby’s research interests include identifying and interrupting environmental pathways of disease in low- and middle-income countries.
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Tiffany Luong
Postdoctoral Scholar, Infectious Diseases
BioTiffany Luong obtained her Ph.D. from UCSD/SDSU in the lab of Dwayne Roach where she studied the formulation, purification, and application of bacteriophages targeting the ESKAPE pathogen Pseudomonas aeruginosa. Currently, her research in the Bollyky Lab focuses on the development of preclinical models to study chronic infections of P. aeruginosa and the immunogenicity of bacteriophages to the mammalian host.
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Natalia Medvedeva
Clinical Assistant Professor, Medicine - Infectious Diseases
BioDr Natalia Medvedeva specializes in the treatment of infectious diseases. She has a special interest in antimicrobial stewardship and medical education.
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Thomas Charles Merigan M.D.
George E. and Lucy Becker Professor of Medicine, Emeritus
Current Research and Scholarly InterestsI am now emeritus and only participate in university activities through advising my former trainees who have joined the faculty.
