Current Trainees
Incoming Fellows
Amanda Collar, MD, PhD
Undergraduate: New Mexico State University
Medical School: University of New Mexico School of Medicine
Residency: University of California Los Angeles Internal Medicine
Track: Academic Research track (STAR)
Hometown: Alamogordo, NM
Academic/Clinical Interests:
Protective immunity, STIs, vaccine design, health policy, health equity
General Interests:
Reading, traveling, trying new restaurants, and spending time with my dog, Olive
Why UCLA?
I am excited to obtain a well-rounded clinical education with different practice environments, exposure to a wide range of pathologies, and serve a diverse community, all while learning from caring and knowledgeable faculty. UCLA also has a supportive research environment with experience producing independent physician-scientists.
Bruna Dellatorre Diniz, MD
Undergraduate: Universidade de Brasília (UnB)
Medical School: Universidade de Brasília (UnB)
Residency: Western Michigan University Homer Stryker M.D. School of Medicine
Track: Clinical Scholar track
Hometown: Rio de Janeiro/Brasília, Brazil
Academic/Clinical Interests:
HIV care, immunocompromised hosts, stewardships, and antimicrobial stewardship.
General Interests:
Curating the perfect playlist for any mood, going to concerts, traveling, and hunting down great restaurants (serious foodie). I also enjoy cooking, organizing just about everything, and trying new experiences whenever possible.
Why UCLA?
UCLA’s diverse patient population, strong academic environment, and collaborative culture make it an exciting place to train. I was drawn to the program’s multicampus fellowship, supportive mentorship, and the opportunity to care for patients from all over the world in a global, dynamic city like Los Angeles. And of course, training in a beach city doesn’t hurt!
Vinh Doan, DO
Undergraduate: UC San Diego
Medical School: Arizona College of Osteopathic Medicine
Residency: Kaiser Permanente Los Angeles
Track: Clinical Scholar track
Hometown: Fremont, CA
Academic/Clinical Interests:
General ID, medical education
General Interests:
traveling, hiking, cooking, teaching my dog new tricks
Why UCLA?
I chose UCLA for its exceptional infectious disease training, strong mentorship, and supportive academic environment. I look forward to caring for a diverse patient population across the UCLA health system and working closely with co-fellows and faculty who are passionate about education and patient care.
Margaret Ginoza, MD, MPH
Undergraduate: Vassar College
Medical School: University of Miami Miller School of Medicine
Residency: Baylor College of Medicine (Internal Medicine/Pediatrics)
Track: Clinical Scholar track (Adult/Peds ID combined track)
Hometown: Manhattan Beach, CA
Academic/Clinical Interests:
HIV, STIs, Congenital Infections, Harm Reduction, Bioethics
General Interests:
Circus and aerial arts, nature and wildlife, knitting, cooking, playing with my dog
Why UCLA?
After many years making my way around various corners of the country, I'm excited to come back home to Southern California for fellowship. UCLA offered supportive faculty with a wealth of diverse clinical and research opportunities. I also found support for my Med Peds career interests, and will get to continue seeing both adults and children. Plus, I'll get to work in a system that cares for my family members, and at the hospital where I was born!
Curtis Sera, MD
Undergraduate: UC San Diego
Medical School: UC Berkeley-UCSF Joint Medical Program
Residency: Olive View-UCLA
Track: Academic Research track
Hometown: Los Angeles, CA
Academic/Clinical Interests:
Antibiotic stewardship, antimicrobial resistance, health equity, medical education
General Interests:
Hiking, camping (mostly last-minute car camping but I dabble in backpacking), judo, board games, trying new foods, bad movies, and spending more time scrolling through Netflix than actually watching anything.
Why UCLA?
UCLA offers incredible breadth and depth of clinical training across its many sites, and I was excited to get this exposure while continuing to spend time at a public hospital like Olive View-UCLA where I did my residency. The faculty were also very supportive and interested in helping tailor a research training program to my own extremely niche interest in quantitatively modeling antimicrobial resistance. To top it all off, my family and friends are nearby, and LA has great weather, amazing food, and tons to do for everyone!
David Zamora Diaz, MD
Undergraduate: University of Guadalajara
Medical School: University of Guadalajara
Residency: Loyola University Health System – MacNeal Hospital
Track: Clinical Scholar track
Hometown: Guadalajara, Mexico / Los Angeles, CA
Academic/Clinical Interests:
Mycobacterial Diseases, Emerging Diseases, Global Health, Antimicrobial Stewardship, Medical Education, AI
General Interests:
I enjoy music in many forms, including playing piano, creating alternative-style music, and singing in choral and operatic settings. I also enjoy soccer, exploring new activities, and engaging in thoughtful conversations
Why UCLA?
The Infectious Diseases Division at UCLA is a national leader, offering exceptional clinical diversity across multiple hospitals and patient populations. Its breadth of pathology, faculty leadership, and emphasis on mentorship distinguish the program, which is based in the city I now call home.
James Ziegenbein, MD
Undergraduate: University of California, Los Angeles (UCLA)
Medical School: California Northstate University College of Medicine
Residency: Harbor–UCLA Medical Center, Internal Medicine
Track: Clinical Scholar track
Hometown: Downey, California
Academic/Clinical Interests:
Opportunistic infections, tropical medicine, and endemic fungal infections.
General Interests:
Outside of medicine, I enjoy rock climbing, playing tennis, and playing the piano.
Why UCLA?
Southern California has always been home for me. I grew up in Downey and completed my undergraduate training at UCLA, and the Los Angeles community holds a special, irreplaceable place in my heart. Training at UCLA allows me to continue caring for the diverse communities that shaped my path in medicine while remaining connected to the place that has meant so much to me personally and professionally. There’s truly nowhere else I would rather be.
Current Trainees: Academic Research Track Fellows
Aleksandr Gorin, MD, PhD
Undergraduate: UC San Diego
Medical School: UCLA
Residency: UCLA Medical Center
Hometown: Born in Kharkiv, Ukraine. Raised in San Diego, CA
Academic/Clinical Interests:
Immunity to viral pathogens, vaccine design
General Interests:
Most days I can be found snuggling my dog! Otherwise I enjoy eating my way around Los Angeles, hiking, and traveling to as many national parks and foreign countries as I can
Why UCLA?
So many reasons! First was the clinical diversity of a major academic center, a community hospital, a county hospital and a VA. Second were the research environment and opportunities to connect between clinical and basic researchers across the street on the undergraduate campus. And finally lifestyle - it’s hard to leave Southern California! The weather, beaches, food are all really hard to beat.
Sasha Herbst de Cortina, MD
Undergraduate: Stanford University
Medical School: University of California, Irvine School of Medicine
Residency: University of California Los Angeles
Hometown: Westlake Village, CA
Academic/Clinical Interests:
STIs, global health, implementation science
General Interests:
Traveling, yoga, hiking, trying out new recipes, enjoying our beautiful beaches, and spending time with my cats
Why UCLA?
My whole residency I have been grateful to work in a place with kind, warm colleagues who truly care about helping our patients. I am excited to be part of the research track to grow as a physician-scientist in global health research.
John Michael Sanchez, MD, PhD
Undergraduate: University of Utah
Medical School: Spencer Fox Eccles School of Medicine at the University of Utah
Residency: Cedars-Sinai Medical Center
Hometown: Torrance, CA
Academic/Clinical Interests:
Host-microbe interactions, immunocompromised infectious diseases
General Interests:
Biking, baking, videography, traveling, spending time with my wife and dog
Why UCLA?
The support for physician scientists in infectious diseases is top-notch and benefits from the large community of physician scientists across medical specialties at UCLA. Clinical infectious disease training at UCLA is excellent, in large part due to the five hospitals that we serve that reflect the diversity of Los Angeles. Most importantly, my wife is also a physician scientist fellow in dermatology at UCLA and we cannot have chosen a better place to continue our physician scientist training!
Gregory Whitehill, MD
Undergraduate: Haverford College
Medical School: Drexel University College of Medicine
Residency: University of Pennsylvania
Hometown: Wellesley, MA
Academic/Clinical Interests:
HIV, immunocompromised populations, immunity and immunotherapies
General Interests:
Cooking, hiking, spending time with my family and daughter
Why UCLA?
I chose UCLA for the tremendous research support available through the STAR program and diverse clinical training opportunities with multiple hospitals. My interviews gave a great impression of the program culture; the faculty and fellows I met all stood out as warm and approachable but also passionate and fulfilled. And of course coming from the northeast - the weather!
Clinical Scholar Track Fellows
Erica Chow, DO
Undergraduate: University of California, Irvine
Medical School: Western University of Health Sciences, Pomona
Residency: Harbor-UCLA
Hometown: Fremont, CA
Academic/Clinical Interests:
Emerging and expanding infectious diseases, social determinants of health, public and global health
General Interests:
Traveling, cooking and spending time in nature with a combination of hiking, photographing mushrooms or adding to my rock and shell collections.
Why UCLA?
The five-campus program offers an unrivaled breadth of experience and training. I’m looking forward to serving a diverse patient population with opportunities to have an impact at the population level while training alongside like-minded and passionate ID fellows. The faculty are warm and supportive, and I know I’ll be well equipped to continue my career wherever it takes me next!
Lilian Fung, MD
Undergraduate: University of California Los Angeles
Medical School: Virginia Commonwealth University, School of Medicine
Residency: Los Angeles General + University of Southern California Internal Medicine
Hometown: Garden Grove, CA
Academic/Clinical Interests:
General ID, antimicrobial stewardship
General Interests:
Staying active/working out with friends on my new ClassPass subscription, reading on my Kindle, true crime podcasts, watching videos of cute dogs, trying out new brunch/dinner spots on my days off
Why UCLA?
UCLA was my alma mater (as it was for my two other sisters) and I knew that I would want to return eventually to complete my medical training. My initial interest in medicine started with the community here and I knew that it would be the perfect place to pursue my academic/clinical interests in infectious diseases. Also, you can't beat the weather and food scene!
Mario Jaramillo, MD
Undergraduate: College of the Holy Cross
Medical School: Albany Medical College
Residency: University of Arizona - Tucson
Hometown: Palm Springs, CA and North Attleboro, MA
Academic/Clinical Interests:
Medical education, antimicrobial stewardship
General Interests:
Watching and playing soccer, videogames, hanging out with my wife and my dog, exploring music and food scenes
Why UCLA?
I've lived in a lot of smaller cities in my life and both my wife and I were ready to explore a larger city and programs that have a lot of diverse opportunities to help us grow in our careers and in life! The plethora of food and music is something we are most excited about and of course all the amazing people we will meet along the way.
Rashini Jayaratne, MD
Undergraduate: University of California San Diego
Medical School: Western Michigan University Homer Stryker M.D. School of Medicine
Residency: Kaiser Permanente Los Angeles Medical Center
Hometown: Walnut, CA
Academic/Clinical Interests:
Antimicrobial stewardship, medical education
General Interests:
Reading, yoga, walks with friends, board games
Why UCLA?
I chose UCLA for the diverse clinical settings, diverse patient population and supportive faculty members. I am also excited to be close to family and continue to explore all the amazing restaurants LA has to offer.
Marine Khachatryan, MD
Undergraduate: UCLA
Medical School: University of Arizona - Tucson
Residency: Huntington Health
Hometown: Los Angeles, CA
Academic/Clinical Interests:
Infection control and hospital epidemiology, antimicrobial stewardship, general ID
General Interests:
traveling, reading, playing board games, spending time with family and my baby
Why UCLA?
UCLA offers immense clinical training opportunities with a diverse patient population and great mentors. Also, being from here, I want to continue to care for the communities of the greater LA area. I'm excited to finish my training where my dreams first started!
Minji Kim, MD
Undergraduate: UCLA
Medical School: UCLA
Residency: Northwestern
Hometown: Downey, CA
Academic/Clinical Interests:
HIV, antimicrobial/diagnostic stewardship, medical education
General Interests:
Megaformer Pilates, trying new restaurants, watching Korean dramas, exploring the latest at Trader Joe's, playing Mario Party Jamboree
Why UCLA?
I wanted to complete a decade at the institution that shaped me to be the physician I am today. Ending my medical training by serving the community I grew up with has always been a dream of mine. I also knew that through the various clinical sites at UCLA and their diverse patient populations, I would get an education that is unmatched. Lastly, you can't find better people, weather, and food than in Los Angeles!?
Hannah Li, MD
Undergraduate: University of Southern California
Medical School: St. Louis University
Residency: Santa Clara Valley Medical Center
Track: Clinical Scholar Track (Preventive Medicine track)
Hometown: Sunnyvale, CA
Academic/Clinical Interests:
General ID, Public Health, Hospital Epidemiology
General Interests:
running, spending time in outdoor parks, board games, reading, brewing coffee
Why UCLA?
I chose UCLA for its well-rounded program, which provides diverse clinical experiences, exposure to a wide range of pathologies, and opportunities to serve different patient populations while engaging in public health. On my interview day, I was struck by the welcoming and down-to-earth nature of the fellows and attendings, which made me feel that UCLA would be a supportive and inspiring place to train.
Hera Maryam, MD
Undergraduate: UC Berkeley
Medical School: Washington U in St. Louis School of Medicine
Residency: Inova Fairfax Internal Medicine
Track: Clinical Scholar Track (Preventive Medicine track)
Hometown: Irvine, CA
Academic/Clinical Interests:
Health policy
General Interests:
Reading, creative writing
Why UCLA?
Great variety, opportunity to pursue health policy!
Mandy Mohindra, MD, MPH
Undergraduate: UC San Diego
Medical School: UC San Diego
Residency: UC San Diego
Hometown: Milpitas, CA
Academic/Clinical Interests:
General ID, medical education, social determinants of health and health equity
General Interests:
Exploring all the diverse food LA has to offer; the food is so incredible here! I also love hiking all year-round and skiing in the winter.
Why UCLA?
I am interested in being a clinician-educator after fellowship, and am excited about opportunities for medical education that the UCLA ID program has to offer. I was also looking for strong clinical training, and the breadth of the 5-sites along with supportive clinical faculty stood out to me at UCLA. My husband and I have also been living in LA for a few years, and wanted to stay!
Marcus Munoz, MD
Undergraduate: Stanford University
Medical School: University of Iowa Carver College of Medicine
Residency: UCLA Internal Medicine
Hometown: Monroe, Washington
Academic/Clinical Interests:
Medical Education, Global Health, Neglected Tropical Diseases
General Interests:
Surfing (very badly), Fly-fishing, Spending time in the mountains with family and friends
Why UCLA?
After completing my internal medicine residency and a chief resident year here, UCLA feels like home. The diversity of patients and training sites is unparalleled. Additionally, the opportunity to learn from exceptional clinical and research faculty were major factors in my decision to stay. Even on the toughest rotations, the sun’s almost always out, and there’s no shortage of fun things to do around L.A. on your days off.
Trong Nguyen, MD
Undergraduate: UC Berkeley
Medical School: Western Michigan University Homer Stryker MD SOM
Residency: Olive View-UCLA
Track: Clinical Scholar Track (VA Antimicrobial Stewardship and Hospital Epidemiology)
Hometown: Fountain Valley, CA
Academic/Clinical Interests:
Hospital Epidemiology, Infection Control & Prevention, Emerging Diseases, Disease Outbreak Control, Global Health
General Interests:
Going to the zoos and museums, hanging out at the beach, cooking
Why UCLA?
I really like the multicampus exposure and robust global health connections. I also get to work in places I've called home for the last 3 years alongside amazing co-fellows, mentors, and former medical school classmate!
Monique Prince, MD, MPH
Undergraduate: St. George's University
Medical School: St. George's University School of Medicine
Residency: New York Medical College at Saint Michael's Medical Center
Hometown: St. George, Grenada
Academic/Clinical Interests:
Public Health, Global Health, HIV
General Interests:
Playing the piano & violin, meaningful conversations with loved ones
Why UCLA?
I chose UCLA because of its reputation in Infectious Diseases clinical and research excellence. During my interactions with the faculty, I was struck by their genuine enthusiasm, thoughtful engagement, and positive energy. Their approach to mentorship and collaboration left a lasting impression and highlighted the supportive nature of the program where I can thrive. I also appreciated UCLA's location in California, which offers a warm vibrant climate that aligns with my personal preferences. The heterogeneous patient population in an innovative institution coupled with opportunities to address layered challenges made UCLA an ideal fit for my career goals.
Lucy Tran, MD
Undergraduate: University of California San Diego
Medical School: St. George's University School of Medicine
Residency: Arrowhead Regional Medical Center
Track: Clinical Scholar Track
Hometown: Monterey Park, CA
Academic/Clinical Interests:
Infection Control and Hospital Epidemiology, Antimicrobial Stewardship, Public Health and Social Determinants of Infectious Diseases
General Interests:
Exploring new restaurants and cuisines, traveling, hiking, gardening and hanging out with my dog
Why UCLA?
UCLA multi-campus hospital program provides exposure to different patient populations offering the most diverse training one can hope for. Also, I love the passion and enthusiasm exhibited by the faculty and fellows in providing the best patient care. I am excited to grow into a leading ID specialist with the support of the UCLA family and serve my own Southern California community.