Current Fellows

ACGME Gastroenterology Fellows

Fourth-Year Non-ACGME Fellows

ACGME Tx Hep Fellows

Adv IBD Fellow

Adv Endoscopy Fellow

First-Year Fellows

Mai Dao

 Mai Dao, MD

Hometown: Ho Chi Minh city, Vietnam
Undergraduate: University of Texas at Austin
Medical School: Harvard
Residency: UCSF
Clinical Interests: Liver
Research Interests: Gut microbiome
Why UCSF for Fellowship: Strong clinical training with amazing research opportunities. Great mentorship and supportive community.
Hobbies: Spending time with my husband and sons, and exploring new restaurants.

Lisa Deng

 Lisa Deng, MD

Hometown: Chengdu, China
Undergraduate: Duke University
Medical School: UCSF
Residency: UCSF
Clinical Interests: Liver
Research Interests: Palliative hepatology
Why UCSF for Fellowship: Exceptional clinical training, strong research infrastructure, amazing mentorship.
Hobbies: Hiking, travelling, exploring new restaurants, going to the zoo with my son and husband.

Yejoo (Christina) Jeon

Yejoo (Christina) Jeon, MD

Hometown: Seoul, South Korea
Undergraduate: Cornell University
Medical School: Yale
Residency: UCLA
Clinical Interests: Liver
Research Interests: NAFLD
Why UCSF for Fellowship: Balanced emphasis on clinical training and research, opportunity to serve diverse patient populations, beautiful environment.
Hobbies: Hiking, baking new recipes, traveling to different countries.

Donna Leet

Donna Leet, MD

Hometown: Seattle, WA
Undergraduate: Amherst College
Medical School: Harvard
Residency: UCSF
Clinical Interests: General GI, IBD
Research Interests: IBD, immune-mediated diseases of the GI tract
Why UCSF for Fellowship: Unmatched clinical training and three-hospital system, amazing community and people, research environment, beautiful area.
Hobbies: Skiing, hiking, cycling, my new puppy, traveling, eating delicious Bay Area cuisine

Alejandro Lopez

Alejandro Lopez, MD, PhD

Hometown: Mayaguez, Puerto Rico
Undergraduate: University of Puerto Rico
Medical School: Cornell
Residency: UCSF
Clinical Interests: General GI
Research Interests: Gut-brain communication and how it regulates processes like visceral pain and hunger
Why UCSF for Fellowship: Strong research, amazing mentors, exceptional working environment, the best colleagues​​​.
Hobbies: Hiking, playing tennis, trying new restaurants, wine tasting.

Rena Mei

Rena Mei, MD

Hometown: Brooklyn, NY
Undergraduate: Harvard University
Medical School: Icahn School of Medicine at Mount Sinai
Residency: Columbia
Clinical Interests: Liver, General GI
Research Interests: Hepatitis, NAFLD
Why UCSF for Fellowship: Amazing clinical training in whatever field of GI that interests me, strong liver training, excellent research support, wonderful people, and trying out a new major city!
Hobbies: I'm a major foodie! I also love exploring cities, running, and soaking in the sun.

Zoe Memel

Zoe Memel, MD

Hometown: Los Angeles, California
Undergraduate: Cornell University
Medical School: Keck School of Medicine of USC
Residency: MGH
Clinical Interests: Liver, General GI, nutrition-GI
Research Interests: NAFLD, nutrition and GI, NAFLD transplant outcomes
Why UCSF for Fellowship: Diversity of patient population, disease pathology and training environment with a three-hospital system, opportunities for excellent clinical training while also gaining the network and skillset to be a robust researcher, proximity to family and the gorgeous city.
Hobbies: I love to cook, hike, watch a surprising amount of television, run with my dog Rory, host wine and whine nights, arts and crafts.

Second-Year Fellows

Hometown: Mission, TX
Undergraduate: Rice University
Medical School: Northwestern
Residency: Massachusetts General Hospital
Clinical Interests: Liver
Research Interests: NAFLD, NASH
Why UCSF for Fellowship: Diversity of sites and patient populations, excellent clinical training, and enthusiastic faculty.
Hobbies: Traveling, hiking, basketball, eating

Hometown: Miami, FL
Undergraduate: University of Florida
Medical School: Harvard Medical School
Residency: UCSF
Clinical Interests: Liver
Research Interests: NASH, disparities in liver disease, translational research
Why UCSF for Fellowship: Excellent clinical training combined with top notch research experiences, supportive mentors, and amazing peers.
Hobbies: Hiking/backpacking, reading in the park, playing with my dog, crossword puzzles

Hometown: Fairfax, VA
Undergraduate: University of Virginia
Medical School: VCU
Residency: Mayo Clinic
Clinical Interests: Liver
Research Interests: Malignancies, liver allocation
Why UCSF for Fellowship: Outstanding GI and liver clinical training, research/mentor opportunities and down-to-earth people
Hobbies: Traveling, eating, being a dog mom, being outside in above-freezing weather

Hometown: Troy, MI
Undergraduate: Harvard
Medical School: Stanford
Residency: UCLA
Clinical Interests: Hepatology
Research Interests: Transplant hepatology
Why UCSF for Fellowship: Renowned clinical training and research, supportive faculty, happy fellows
Hobbies: Lakers basketball, brain teasers, hiking

Hometown: Gambia
Undergraduate: San Francisco State University
Medical School: UCSF
Residency: Brigham & Women's Hospital
Clinical Interests: General GI, IBD
Research Interests: IBD and clinical drug trials
Why UCSF for Fellowship: Excellent clinical training, outstanding research opportunities and the people!
Hobbies: Utilizing points & miles for traveling

Hometown: Pleasanton, CA
Undergraduate: Brown University
Medical School: UCSF
Residency: UCSF
Clinical Interests: Liver
Research Interests: Transplant hepatology, women's health and liver disease, viral hepatitis
Why UCSF for Fellowship: Diversity and rigor of clinical training, supportive mentors and faculty
Hobbies: Hiking/camping, salsa dancing, watercolor, piano, trying new restaurants and recreating recipes at home

Hometown: Farmington Hills, MI
Undergraduate: University of Michigan
Medical School: Harvard Medical School
Residency: Massachusetts General Hospital
Clinical Interests: General GI, IBD
Research Interests: IBD
Why UCSF for Fellowship: Excellent combination of clinical training and research, diversity of sites, and incredible location
Hobbies: Trail running, biking, backpacking/camping, reading, exploring Bay Area food

Third-Year Fellows

Hometown: Cooper City, FL
Undergraduate: UC Berkeley
Medical School: Florida Atlantic University
Residency: Washington University
Clinical Interests: Advanced, General, Motility
Research Interests: GERD
Why UCSF for Fellowship: Supportive faculty and could tell the fellows were happy, lots of research opportunities and diverse clinical experiences
Favorite Aspects/Experiences of the program: Hands down my co-fellows, couldn't do it without them.
Hobbies: Travel, golf, peloton, live concerts, and wine tasting

Hometown: San Francisco, CA
Undergraduate: Harvard
Medical School: UCSF
Residency: UCSF
Clinical Interests: General GI, IBD
Research Interests: Medical Education, IBD
Why UCSF for Fellowship: Incredible people, robust clinical training
Favorite Aspects/Experiences of the program: Co-fellows, Wine Wednesday
Hobbies: Wine tasting, sports (playing and watching), crossword puzzles, trying new recipes, hanging out with my wife and baby daughter

Hometown: Philadelphia, PA
Undergraduate: Pomona College
Medical School: Weill Cornell Medical College
Residency: Beth Israel Deaconess
Clinical Interests: Still exploring!
Research Interests: Adventure is out there! (Still exploring!)
Why UCSF for Fellowship: The people (numbers 1-10)!
Favorite Aspects/Experiences of the program: Wine Wednesday & the people. I laugh so much.
Hobbies: Trampolining & competition-level lawn mowing (if there were such a thing)

Hometown: Bellingham, WA
Undergraduate: Loyola Marymount University
Medical School: University of Washington School of Medicine
Residency: UCSF
Clinical Interests: General GI
Research Interests: H. pylori
Why UCSF for Fellowship: Exceptional clinical training, incredible faculty, diverse training sites with unique patient populations
Favorite Aspects/Experiences of the program: My incredible co-fellows and faculty
Hobbies: Travel, Wine tasting, Peloton!

Hometown: Natick, MA
Undergraduate: Brown University
Medical School: UPENN
Residency: Columbia
Clinical Interests: General GI
Research Interests: Quality Improvement
Why UCSF for Fellowship: Amazingly supportive faculty, excellent clinical training!
Favorite Aspects/Experiences of the program: Hands down, my co-fellows
Hobbies: Travel, trying new restaurants, my doggo Penny

Hometown: Pittsburgh, PA
Undergraduate: Cornell University
Medical School: Icahn School of Medicine at Mount Sinai
Residency: UCSF
Clinical Interests: Hepatology
Research Interests: Molecular mechanisms of liver disease pathogenesis
Why UCSF for Fellowship: Outstanding clinical and procedural training, mutli-disclplinary and cutting edge research opportunities
Favorite Aspects/Experiences of the program: My co-fellow family!
Hobbies: Wine tasting, eating out / amateur foodie

Hometown: Los Angeles, CA
Undergraduate: University of Pennsylvania
Medical School: UCLA
Residency: UCSF
Clinical Interests: General GI
Research Interests: Medical Education
Why UCSF for Fellowship: Broad array of clinical training at multiple sites with faculty who were interested in teaching trainees. On top of that, the people were just fantastic!
Favorite Aspects/Experiences of the program: Cofellows! So supportive!
Hobbies: Reading, hiking, long walks in the city. Always on the hunt for the best almond croissant!

Fourth-Year Non-ACGME Fellows

Hometown: Lake Elmo, MN
Undergraduate: Case Western Reserve University
Medical School: NYU
Residency: UCSF
Clinical Interests: General GI
Research Interests: Tumor Immunology
Why UCSF for Fellowship: Outstanding clinical training, innumerable research opportunities
Favorite Aspects/Experiences of the program: The faculty and all the GI staff
Hobbies: Most sports, being outdoors

Hometown: San Jose, CA
Undergraduate: San Jose State University
Medical School: University of California, Davis
Residency: University of California, San Francisco
Clinical Interests: Advanced/Transplant Hepatology
Research Interests: Sarcopenic visceral obesity in patients with cirrhosis
Why UCSF for Fellowship: Outstanding clinical and reserach training in a diverse environment
Favorite Aspects/Experiences of the program: The faculty and all the GI staff, and my co-fellows.
Hobbies: Exploring new places to eat with my wife and kids

Hometown: Los Angeles, CA
Undergraduate: UC San Diego
Medical School: USC and Caltech
Residency: Columbia
Clinical Interests: IBD and General GI
Research Interests: IBD
Why UCSF for Fellowship: Strong clinical education and world class research
Favorite Aspects/Experiences of the program: The faculty, staff and my co-fellows
Hobbies: Skiing, SCUBA diving, Hiking, and growing my own food

ACGME Tx Hep Fellows

Molly Delk

Molly Delk, MD

Hometown: Cookeville, Tennessee
Undergraduate: University of Tennessee
Medical School: University of Tennessee Health Science Center
Residency: Tulane University
GI Fellowship: Tulane University
Clinical Interests: Liver
Research Interests: HCC, NAFLD
Why UCSF for Fellowship: Fantastic training with wonderful faculty and mentors, abundance of reasearch opportunities
Hobbies: Playing soccer, running, doing anything active outdoors, baking, trying new restaurants, meeting new people

Amir Gougol

Amir Gougol, MD

Hometown: Tehran, Iran
Undergraduate: Tehran University
Medical School: Tehran University
Residency: University of Pittsburgh
GI Fellowship: University of Pittsburgh
Clinical Interests: Liver
Research Interests: Alcoholic Hepatitis, HCC Screening
Why UCSF for Fellowship: Exceptional Transplant Hepatology training, great mentors
Hobbies: Enjoy to read and write short fiction, hiking while listeing to audiobooks, crazy about soccer, love to hang out with friends and make them laugh!


Hometown: San Jose, CA
Undergraduate: UC Berkeley
Medical School: UCSF
Residency: UCSF
Clinical Interests: Hepatology
Research Interests: Palliative care in hepatology, pregnancy outcomes in liver disease, quality improvement
Why UCSF for Fellowship: High quality clinical training in GI and Hepatology, diversity of clinical sites with unique patient populations, incredible faculty and research mentors
Favorite Aspects/Experiences of the program: The people! Our program directors are supportive and receptive to our needs and concerns. The faculty members are approachable, inspiring, and love to teach. My co-fellows are incredible and fun to work with.
Hobbies: Running, being outdoors, wine tasting, exploring Bay Area restaurants, traveling, and spending time with my wife.

Adv IBD Fellow

Justin Field

Justin Field, MD​​​​​

Hometown: Wilmington, DE
Undergraduate: University of Delaware
Medical School: Jefferson Medical College
Residency: Temple University Hospital
GI Fellowship: Mount Sinai Morningside & West
Clinical Interests: Inflammatory Bowel Diseases
Research Interests: Expanding knowledge base about LGBTQ+ patients with IBD
Why UCSF for Fellowship: Outstanding mentorship, research opportunities, & the ability to train in a diverse and vibrant city
Hobbies: I love the outdoors, traveling the country and the world, and spending time with friends & family.

Adv Endoscopy Fellow

Mohammad Yousef

Mohammad Yousef, MD

Hometown: Dallas, TX
Undergraduate: University of Texas at Arlington
Medical School: Texas Tech University Health Sciences Center
Residency: Ochsner Clinic, New Orleans
GI Fellowship: Guthrie Clinic
Clinical Interests: Advanced Endoscopy, Third Space Endoscopy, Endoscopic Suturing and minimally invasive interventional procedures
Research Interests: Pancreaticobiliary, General GI, Advanced Endoscopy
Why UCSF for Fellowship: Unparalleled clinical and academic training, great people, amazing mentors, beautiful coastal city and community
Hobbies: Traveling, hiking, exploring the outdoors, working on small projects, listening to music, good food, meditation and surrounding myself with good company.