Program Leadership
Ronald Witteles, MD
Program Director
Dr. Witteles (Program Director) graduated from The University of Chicago Pritzker School of Medicine, and he completed his Internal Medicine residency training, chief residency, and Cardiology fellowship training at Stanford. He is an active member of the Heart Failure faculty, and frequently attends in the CCU. He serves as Co-Director of the Stanford Amyloid Center and runs an active clinical More research program in amyloidosis, cardiac complications of cancer therapy, and sarcoidosis. Dr. Witteles is the recipient of a host of clinical teaching awards, and housestaff education is his greatest passion.
Wendy Cáceres, MD
Associate Program Director
Dr. Cáceres (Associate Program Director) earned her medical degree and completed her Internal Medicine residency training at Stanford University School of Medicine. She is the Co-Medical Director of the Pacific Free Clinic in San Jose, CA. Her scholarly work focuses on medical education with a focus on primary care, as well as cultural competency, and unconscious bias in medicine. Dr. Cáceres is passionate about increasing diversity in medicine as she believes academic medicine is vital to the future of healthcare, and should be both diverse and inclusive.
Poonam Hosamani, MD
Associate Program Director
Dr. Hosamani (Associate Program Director) graduated from Northwestern Medical School and completed her Internal Medicine residency training at the Weill-Cornell Medical Center. She joined the Division of Hospital Medicine at Stanford in 2012 and attends on the Stanford general medicine wards. Dr. Hosamani is passionate about medical education and is the course director for the first-year Practice of Medicine course for Stanford School of Medicine students. More She also co-directs the Transition to Clerkships course and is an associate clerkship director for the Internal Medicine core clerkship. Her scholarly work focuses on bedside medicine through the Bedside Medicine group founded by Dr. Verghese.
Andrea Jonas, MD
Associate Program Director
Dr. Andrea Jonas is a Clinical Assistant Professor in the Division of Pulmonary, Allergy, and Critical Care Medicine at Stanford University. She completed her undergraduate studies in chemistry and physics at Harvard University. She received her MD from Johns Hopkins University, where she stayed on to complete residency training in internal medicine on the Osler Medical Service. More She pursued fellowship training in pulmonary and critical care medicine at Stanford University, where she additionally completed a research fellowship in health care innovation and systems design as part of the Clinical Excellence Research Center. Since completing fellowship she has stayed on at Stanford as a clinician educator and serves as the associate program director for the PCCM fellowship and the IM residency programs. Her research interests include integrating technological innovations into healthcare system practices to improve delivery of pulmonary and ICU services. In her free time she enjoys gardening, watching the Great British Baking Show, and taking her dog on hikes in the Bay Area!
twitter: @andreajonasmd
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Kevin Keet, MD
Associate Program Director
Dr. Keet graduated from The University of Vermont, College of Medicine and completed his residency at UCSF. He has worked with Stanford residents since starting as a hospitalist at the Palo Alto Veterans Hospital in 2010 and recently joined the program leadership. Dr Keet attends on the general medicine wards at both Stanford and the VA. He is a passionate and award winning medical educator with a focus on clinical decision making, resident wellness, and bedside medicine. More He believes that you should sit down with every patient, every time, and that each clinical decision should be contemplated in the context of the values and goals of person in front of you. Outside the hospital he likes to surf or bike with his two daughters and play with his goofy basset hound mixes.
Teja Patil, MD, MPH
Associate Program Director - VA
Dr. Patil graduated from the University of California, San Francisco where she completed her MD and her residency in Internal Medicine. She joined the VA Palo Alto as a hospital medicine attending in 2015 where she attends on the wards and particularly loves nighttime medicine. She has served as the VA Palo Alto Nocturnist Director, Director of Surgical Comanagement and serves on the CPR committee More She particularly loves working alongside the medicine residents at night when the whole team admits new, undifferentiated cases and stabilizes nighttime emergencies. Dr. Patil’s particular passion is physician wellness; she co-teaches the resiliency curriculum for the Stanford IM residency. She is also a certified Physician Development Coach using coaching as a modality to support growth, wellness and excellence in clinicians across their career span.
Angela Rogers, MD, MPH
Associate Program Director
Dr. Rogers (Associate Program Director) graduated from Harvard Medical School, and completed her internal medicine residency at the Brigham and Women’s Hospital and Pulmonary and Critical Care fellowship in the Harvard program. She moved to Stanford as an Assistant Professor in 2013. She is focused on critical care education for both residents and fellows, and works on the More Medicine side of the Stanford Medicine-Anesthesia combined residency program. Her research focus is on using genomics to identify novel biomarkers and improve phenotyping in sepsis and ARDS.
Cybele Renault, MD, DTM&H
Program Lead in Global Health
Dr. Renault (Program Lead in Global Health) completed medical school and her Internal Medicine residency at The University of Chicago Pritzker School of Medicine, and after spending a year as Chief Resident at Cook County Hospital in Chicago, she came to Stanford for her Infectious Diseases fellowship. Dr. Renault has a particular interest in working with underserved populations with a focus More on tropical disease and global health, where she has experience practicing medicine and teaching in Nepal, India, Thailand, Burkina Faso, Uganda and Zimbabwe. At Stanford, she is the primary attending physician on the inpatient Infectious Diseases consult service at the Palo Alto VA and is intimately involved with the Stanford Center for Innovation in Global Health (CIGH). Dr. Renault is Site Director for the Johnson & Johnson rotation at Mulago Hospital in Uganda, and is Co-Director of the annual Stanford 2-week Intensive Global Health Course. She serves as a mentor and program point of contact for our Global Health Track residents, as well as for all of our residents interested in working overseas during their residency.
Robert Harrington, MD
Chair, Department of Medicine
Dr. Robert Harrington is the Arthur L. Bloomfield Professor of Medicine and Chair of the Department of Medicine at Stanford University. Dr. Harrington was previously the director of the Duke Clinical Research Institute (DCRI). His research interests include antithrombotic therapies in acute ischemic heart disease, mechanisms of disease of the acute coronary syndromes, risk stratification More in acute coronary syndromes, and clinical trial methodology. He has authored more than 400 peer-reviewed manuscripts, reviews, book chapters, and editorials. He is an associate editor of the American Heart Journal and an editorial board member for JACC. He recently served as a member and the chair of the Food and Drug Administration Cardiovascular and Renal Drugs Advisory Committee. He is a member of the Board or Trustees for the American College of Cardiology and he served as Chairman of the 2013 and 2014 American Heart Association Scientific Sessions.
Abraham Verghese, MD
Vice Chair for Education
Dr. Verghese graduated from Madras University Medicine, India, and he completed his residency in Internal Medicine and Fellowship at East Tennessee State University Medicine. He is an internationally popular author; his most recent novel, Cutting for Stone topped the New York Times bestseller list for over two years. He is a prominent voice in medicine with a uniquely More humanistic view of the future of healthcare, marrying technological innovation with the traditional doctor-patient relationship. He pioneered the Stanford Medicine 25, a collection of technique-dependent bedside skills which all Stanford residents learn. Dr. Verghese is a 2014 recipient of the Heinz Award for Arts and Humanities.
2022-2023 Chief Residents
Peter Konyn, MD
Chief Resident
Dr. Peter Konyn grew up on an almond farm in rural Northern California where he drove his first tractor at the age of 4. He learned very quickly that he was not cut out to be a farmer, but reluctantly returned to help out with the harvest every summer while pursuing his undergraduate degree at UC Davis. He attended medical school at the David Geffen School of Medicine at UCLA where he developed an interest in Hepatology. More This passion continued to grow in residency where he continued his scholarly work researching outcomes and epidemiology of chronic liver disease including liver cancer. He hopes to become an academic Transplant Hepatologist where he can share his love of medicine by teaching and mentoring students and trainees of all levels. When he’s not in the hospital, you can find him hand feeding his 11-year old Chihuahua named Egg, watering his plants, or sending memes to his husband, Burin.
Christine Santiago, MD
Chief Resident
Dr. Christine Santiago grew up in Staten Island (NYC). She attended Cornell University majoring in Human Biology, Health and Society and minoring in Inequality Studies. Christine spent a year doing clinical research at the intersection of psychiatric conditions, normal brain functioning and fMRI data at the Nathan Kline Institute prior to attending Harvard Medical School. More At Harvard, she was struck by the larger structural issues impacting patient’s health and access to care so she took a year between her third and fourth year of medical school to get a masters in public health at UC Berkeley in health policy and management. Christine then returned to the west coast to attend Stanford’s Internal medicine residency program where she co-founded the Stanford Health Equity Advocacy and Research (Stanford HEARS) program. Christine plans to pursue a career in academic hospital medicine. When she is not working, Christine enjoys spending time with her daughter Winnifer and her husband Adam. As a family they enjoy hiking, fishing, singing, eating at new restaurants and being silly together!
Elena Vasti, MD
Chief Resident
Dr. Elena Vasti was raised by her mom and Yiayia in Stockton, CA, where she fostered her love of both San Joaquin Valley agriculture and Shakespeare competitions through performing in outdoor theater. Although she was voted “Most Likely to Work at the DMV” in high school, Elena decided to continue her education close to home at UC Davis after flipping a coin (Berkeley lost) and majored in Human Development. More After Unsure of what she wanted to do, she completed her MPH in Community Health Sciences/Epidemiology at UCLA. She decided to change career plans when she discovered her love of clinical medicine through UCLA Mobile Clinic and attended UCSF SOM. She is passionate about the intersection of cardiovascular medicine and public health. She plans to pursue a career in Advanced Heart Failure, where she can be involved in the development of clinical guidelines and share her love of medicine with others. When she is not in the hospital, she is out running on “Elena Ave” or biking with her husband Eddie to find the best chocolate chip cookies in the south bay.
Sarah Waliany, MD
Chief Resident
Dr. Sarah Waliany grew up in Los Angeles and graduated from USC with a B.S. in Biological Sciences and minor in Spanish. She then made the herculean move from Southern California to Stanford, where she earned both her M.D. and M.S. in Epidemiology and Clinical Research. At Stanford, she did clinical research in cardio-oncology and was impressed by the incredible mentorship of her research advisors in both oncology and cardiology (including the one-and-only Stanford IM PD Dr. Ron Witteles!) and was honored to stay at Stanford for IM Residency. More As a resident, she immersed herself in clinical and translational research in thoracic oncology and cardio-oncology and spent three years balancing the incredible learning on clinical rotations and the creativity of research, all made possible by phenomenal mentors. After her Chief Resident year, Sarah plans to pursue fellowship in Hematology/Oncology. She spends her free time exploring the Bay Area, watching movies, exercising, and visiting family.
Residency Staff
Karina Delgado-Carrasco
Educational Programs Manager
Karina joined the Medicine Residency team in 2010, and she currently serves as the Educational Programs Manager. She is the Co-Chair for the Department of Medicine’s Staff Diversity, Equity, and Inclusion Committee, and received Stanford GME’s “Award for Outstanding Contributions to GME” in 2018. Karina is from San Jose, California, has a BA in Public Health from UC Berkeley and a MA in Counselor Education from San José State University. In her free time she enjoys cooking with her family, reading historical novels, and collecting unique children’s books for her daughter.
Audrey J. Austrie Holmes
Residency Program Manager
Audrey joined the Medicine Residency team in 2010, and currently serves as the Program Manager. She is the co-lead of the Department of Medicine’s Leadership Development Program (LDP), and the staff liaison for the Med Res Diversity Committee for residents and fellows. Audrey is from the Bronx, NY, and has a BS in Psychology from Vanderbilt University in Nashville, TN. During her free time Audrey enjoys hanging with her husband and two children and singing at her local church where she is the Campus Worship Director.
Luis Hernandez
Residency Scheduler
Luis Joined the Medicine Residency team in 2022 and currently serves as the Residency Scheduler. He works directly with the Program Director, Program Manager, and Chief Residents to fully execute the residents schedule for the academic year. Luis is from Mexico City, MX, and is currently completing his BA in Global Health at Arizona State University. In his spare time, he likes to watch football, soccer, horse racing, and hang out with friends.
Holly Higa
Lead Residency Coordinator
Holly joined the Medicine Residency team in 2019, and she currently serves as the Lead Residency Coordinator. She supports the program through serving as the point person for evaluations, monitoring program finances, and helping to organize fun pop-up events throughout the year. Holly is from San Jose, California and has a BA in International Relations from UC Davis. In her free time she enjoys reading, watching basketball (go Warriors!), and listening to podcasts.
Michelle Lee
Recruitment and Event Lead
Michelle joined the Medicine Residency team in 2015 and serves as the Recruitment and Event Lead Coordinator. She plans several annual events for the residents, including the Intern and Resident retreats and Graduation. Michelle is from Laguna Hills, CA (Orange County) and completed her B.A. in Communication and History at UCSD and her M.Ed. at UCLA. She enjoys exploring touristy sites in the Bay Area and trying out the latest foodie spots with her husband and toddler.
Rianna Garcia
Residency Coordinator
Rianna joined the Medicine Residency team in 2021 and currently serves as an Educational Program Associate. She supports the program by scheduling and operating educational lunch conferences and maintaining the office environment. Rianna is from Stockton, CA and has a BS in Public Health with a concentration in Health Services Administration from San José State University. In her free time, Rianna enjoys going to scenic places with friends, playing the piano, and trying new food places.
Minh Lan Nguyen
Residency Coordinator
Open Position
Educational Program Associate