DIG Leadership Team
2026-2027
2026-2027
Alina Feng, Co-President
Alina Feng is a third-year medical student at UCSF. She is from the Bay Area and studied Cell and Molecular Biology at Duke. Her interests lie at the intersection of health policy, immunology, and dermatology. She is passionate about challenges to accessibility and affordability for patients with chronic autoimmune conditions. In her free time, she enjoys running, hiking, travelling, and trying new coffee shops in the city!
Andrew Rosenblatt, Co-President
Andrew Rosenblatt is a third-year medical student originally from souther California. He graduated from Cornell University where he studied biology, government, and European studies. After college, he spent his gap years as a researcher at the Max Planck Institute and earned master's degrees at Oxford and McGill universities in public health policy and neuroscience.
Andrew is interested in the prevention and prediction of dermatologic disease in high-risk groups. Outside of medicine, Andrew enjoys the symphony, swimming, and cooking new recipes from the NYT.
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Gabrielle Arkema, Program Co-coordinator
Gabrielle Arkema is a second-year medical student at UCSF. She is from Washington, D.C., and studied Medical Anthropology and Biology at Case Western Reserve University. She is interested in the intersection between global health, environmental health, and dermatology. She is also passionate about improving accessibility to dermatology care in communities of Color. While not in class, Gabby loves to explore the Bay Area, go on hikes, and eat at new spots in the city!
Flora Wong, Program Co-coordinator
Pearl Omo-sowho, Communications Director
Pearl Omo-sowho is a fourth-year medical student at UCSF, currently on her research year, working as a clinical research coordinator in the Liao lab. She is from Nigeria and studied Human Biology & Society at UCLA. Her dermatological interests include global health, health advocacy, health policy, inflammatory skin conditions, and caring for underserved populations, particularly people of color. Outside of medicine, Pearl loves theater, spending time with family, cooking, exploring the Bay Area, and finding new travel destinations!
Nebyou Mergia, Secretary
Hi! My name is Nebyou. I am a MS4 student on my research year working with the dermatology department at ZSFG. I'm from Overland Park, KS. I enjoy running, soccer, surfing, hiking, baking, and photography. :)
Alyssa Sales, Elective Coordinator
Alyssa Sales grew up in the Bay Area but ventured to the East Coast for her undergraduate education, where she studied Neuroscience and Public Health at Columbia University. Her interests include understanding and improving patients' quality of life, increasing access to healthcare, and exploring the intersection of dermatology and digital health. In her free time, Alyssa loves strolling in Golden Gate Park, stringing words into poetry, and convincing her peers to play pickleball!
Dr. Amanda Twigg, DIG Faculty Advisor
Mandy Twigg is the DIG Faculty Advisor. She is from Palm Springs, CA. She attended medical school and her intern year at Duke University and completed dermatology residency at UCSF. She is currently the Chief of Dermatology at SFVAHCS, Associate Medical Director for Dermatology at UCSF, and holds the UCSF Academy of Medical Educator Endowed Chair in Dermatology Medical Student Education. Her clinical interests include high risk skin cancer, field therapy for actinic keratoses, teledermatology, and medical education. In her free time she can be found chasing her kids, dancing, baking, and bird/whale watching.
2025-2026
Kaitlyn Hsu, Co-President
Kaitlyn is a third-year medical student at UCSF from Southern California and studied Neuroscience at UCLA. She is excited about the diverse intersections of dermatology with complex medicine and autoimmune conditions as well as neurology, immunology, and pediatrics. She is also passionate about improving community health and lifestyle factors in health outcomes. In her free time, she can be found dabbling in food photography and rating her latest food find, watching documentaries, and reading or walking in Golden Gate Park!
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Joshua Xian, Co-President
Joshua Xian is a third-year medical student from the Bay Area and studied Physiological Science at UCLA. He is interested in inflammatory skin conditions and their relation to systemic conditions like cardiovascular disease, variations in skin disease treatment response, and skin cancer. Outside of medicine, he enjoys cooking, drinking boba, learning languages, exploring tide pools, and visiting aquariums.
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Toyosi Oluwole, Program Director
Toyosi is a third-year medical student from Chicago with a foundation in Medical Anthropology and Global Health and Health Policy from Princeton University. Her academic and clinical interests lie at the intersection of medicine, the humanities, and social determinants of health, where she explores how narratives, art, and societal contexts can illuminate health disparities, enhance diagnostic skills, enrich patient experiences, and inform more effective approaches to care. She is passionate about pediatric dermatology, public health, and global health, with a particular commitment to understanding how social factors shape outcomes for marginalized communities in the United States and abroad. During her free time, Toyosi enjoys discovering new restaurants, exploring coastal hikes, and seeking out her next favorite travel destination.
Asmaa Mahoui, Program Director
Asmaa Mahoui is currently a 3rd year medical student at UCSF. She was raised in Indianapolis and studied International Studies and Biology at Indiana University. Her interests lie in dermatologic health equity, patient advocacy, and medical education which also was the focus of her Master's research at UC Berkeley School of Public Health. Outside of medical school, you can find her playing tennis, reading fiction books, spending time at the beach, and trying spicy food with friends and family.
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Gabrielle Arkema, Communications Director
Gabrielle Arkema is a second-year medical student at UCSF. She is from Washington, D.C., and studied Medical Anthropology and Biology at Case Western Reserve University. She is interested in the intersection between global health, environmental health, and dermatology. She is also passionate about improving accessibility to dermatology care in communities of Color. While not in class, Gabby loves to explore the Bay Area, go on hikes, and eat at new spots in the city!
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Alex Ha, Secretary
Alex Ha is a third-year medical student at UCSF. Originally from San Diego, CA, his current interests lie in the intersection of dermatology and environmental health, with a particular focus on inflammatory skin diseases and the impact of air pollution on skin integrity. He is passionate about exploring how environmental factors contribute to chronic skin conditions and how dermatologic care can address these challenges. In his free time, he enjoys trying new restaurants, cooking, and staying active at the gym.
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Alina Feng, Elective Coordinator
Alina Feng is a second-year medical student at UCSF. She is from the Bay Area and studied Cell and Molecular Biology at Duke. Her interests lie at the intersection of health policy, immunology, and dermatology. She is passionate about challenges to accessibility and affordability for patients with chronic autoimmune conditions. In her free time, she enjoys running, hiking, travelling, and trying new coffee shops in the city!
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Lia Bizuneh, Elective Coordinator
Lia Bizuneh is a third-year medical student at UCSF currently spending her gap year completing a dermatology research fellowship at Zuckerberg San Francisco General Hospital. She is from the Bay Area and studied Public Health at UC Berkeley. Her interests include dermatology, global health, and health equity. She is passionate about improving access to dermatologic care for underserved communities and studying complex skin conditions across diverse populations. In her free time, she enjoys reading science fiction, painting nature, and walking in Golden Gate Park.
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Josh Perez, Elective Coordinator
Josh Perez (he/him) is a first-year medical student at UCSF. He is from Stockton, California, and earned his Bachelor of Science in Microbiology, Immunology, and Molecular Genetics at UCLA, where he spent six years living in Los Angeles. His interests lie at the intersection of dermatology, community-centered care, and identity-conscious medicine. He is passionate about making dermatologic care more accessible for underserved and queer communities while empowering patients to feel confident in their own skin. In his free time, he enjoys hosting pop-up coffee shops, having friends over for dinner, and going on runs around Golden Gate Park.
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Nicole Huang, Elective Coordinator
Nicole Huang is a first-year medical student in the MD-PhD program at UCSF. She is from the Bay Area and studied Human Biology and Society at UCLA. Her interests are in autoimmune dermatologic conditions and its relation to quality of life, co-morbidities, hormonal health, and precision medicine. She is also passionate about translational immunology, health literacy, and patient advocacy. In her free time, she's a big fan of trying new restaurants and cafes, hiking, painting, and baking!
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