2023-2024 Resident Roster
Chief Residents
Christopher (Chris) De Boer, MD
Hometown: Sanborn, IA
Undergraduate: Wheaton College
Graduate School: Duke University
Medical School: University of Iowa
Research: Applications of wearable sensors, AI, and machine learning for Pediatric Surgery and Global Surgery at Northwestern University
Favorite thing about UCSF-East Bay: My amazing co-residents!
Sidney Le, MD
Hometown: Rockville, MD
Undergraduate: Stanford University
Medical School: University of California, San Francisco
Research: Surgical clinical informatics and frailty at Kaiser Department of Research
Favorite thing about UCSF-East Bay: The faculty's commitment to every resident's unique needs and goals.
Valerie (Val) Mai, MD
Hometown: Seattle, WA
Undergraduate: University of Washington
Medical School: Eastern Virginia Medical School
Favorite thing about UCSF-East Bay: Very supportive and inclusive environment, diverse patients and cultures, and living in the Bay.
About Me: I like taking trips to the beach, traveling and exploring, biking, hiking, yoga, binge watching TV shows, soaking in the sun, and sleeping.
Kirea Mazzolini, MD
Hometown: Phoenix, AZ
Undergraduate: Pomona College
Medical School: Baylor College of Medicine
Favorite thing about UCSF-East Bay: The people. The collaborative spirit is unlike anywhere else - there are really no better people to spend a work day or a day off with.
About Me: Outside of the hospital, my boyfriend and I love to take advantage of the beautiful Northern California weather (run, hike, body surf, drink beer outside), play guitar, and hang out with friends (preferably also with beer outside).
Colin Mooney, MD
Hometown: Albany, NY
Undergraduate: Boston University
Medical School: SUNY-Downstate
Research: Trauma and General Surgery at Highland Hospital
Favorite thing about UCSF-East Bay: Residents and faculty, the autonomy, patient population, and living in Oakland.
Katherine (Katie) Stern, MD
Hometown: Los Angeles, CA
Undergraduate: Wesleyan University
Medical School: University of California, Irvine
Research: Immune response to injury, post-traumatic sepsis, computational models for outcome prediction.
Favorite thing about UCSF-East Bay: Down to earth, hardworking, committed to our community in Oakland.