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Division of Gastroenterology & Hepatology Gastroenterology & Hepatology

MASLD Team

Investigators

  • Veeral Ajmera, MD

    Veeral Ajmera, MD

    Dr. Veeral Ajmera is Associate Professor of Medicine in the Division of Gastroenterology and Hepatology and Medical Director of Liver Transplantation at the University of California, San Diego. He is a board-certified transplant hepatologist and cares for patients with acute and chronic liver disease. Dr. Ajmera completed Internal Medicine residency at Brigham and Women’s Hospital at Harvard University and Gastroenterology and Transplant Hepatology fellowships at the University of California, San Francisco (UCSF). At UCSF he also completed a Master’s Degree Program in Clinical Research. Dr. Ajmera is a current member of the UCSD MASLD Research Unit where he collaborates with a multidisciplinary team of experts on research in non-invasive biomarkers, genetics and patient factors associated with disease severity and prognosis. He is a recipient of an American Association for the Study of Liver Diseases (AASLD) Clinical and Translational Research Award and an NIDDK K23 Career Development Award for his work on the non-invasive assessment of patients with MASLD. He is a co-investigator for adult hepatology for the NIDDK-sponsored MASH Clinical Research Network and Liver Cirrhosis Network.

  • Monica Tincopa, MD, MSc

    Monica Tincopa, MD, MSc

    Dr. Monica Tincopa is an Assistant Professor of Medicine in the Division of Gastroenterology and Hepatology at the University of California, San Diego. She is board certified in internal medicine, gastroenterology, transplant hepatology and obesity medicine. Dr. Tincopa obtained her medical degree from Johns Hopkins University School of Medicine. She completed internal medicine residency at Johns Hopkins and Gastroenterology and Transplant Hepatology fellowships at the University of Michigan (UM). While at UM, Dr. Tincopa also obtained a Master's degree in Health and Healthcare Research. Her research interests involve health disparities and MASLD, with a specific focus on MASLD within the Hispanic/Latino population. Dr. Tincopa cares for patients with both acute and chronic liver disease and evaluates and cares for patients in need of liver transplantation. Dr. Tincopa is a current member of the UCSD MASLD Research Unit where she collaborates with experts on clinical risk prediction modeling and non-invasive testing for chronic liver disease as well as lifestyle interventions and optimization of metabolic conditions in liver disease. She is a recipient of an American Association for the Study of Liver Diseases (AASLD) Clinical and Translational Research Award and a grant from Blue Cross/Blue Shield. Dr. Tincopa is a co-investigator for adult hepatology for the NIDDK-sponsored MASH Clinical Research Network.

Visiting Scholars

  • Shang-Chin Huang

    Shang-Chin Huang

    Dr. Shang-Chin Huang is a hepatologist and a clinical assistant professor at National Taiwan University in Taipei, Taiwan. His research focuses on the interplay between chronic hepatitis B (CHB) and metabolic dysfunction–associated steatotic liver disease (MASLD), with an emphasis on viral replication, disease progression, and long-term clinical outcomes. He joined Dr. Rohit Loomba’s research team at UC San Diego as a visiting scholar to learn from the team’s expertise and contribute to cutting-edge research in noninvasive assessment and risk stratification in MASLD.

    His work has been published in the Journal of Hepatology, Clinical Gastroenterology and Hepatology, and The American Journal of Gastroenterology. He serves on the Emerging Leaders Committee of the Asian Pacific Association of Gastroenterology (APAGE) and contributed as a panel member to the clinical practice guidelines on CHB issued by the Asian Pacific Association for the Study of the Liver (APASL). His recent honors include the 2025 APASL Rising Star Award and the 2026 Ta-You Wu Memorial Award from Taiwan’s National Science and Technology Council.

    Outside of work, he enjoys reading history, boxing, and spending time with his wife and two young sons.

  • Yuri Cho

    Yuri Cho

    Dr. Yuri Cho, MD, PhD is a hepatologist and an associate professor at the National Cancer Center (NCC) Korea, specializing in hepatocellular carcinoma (HCC) and targeted therapy. Her research focuses on liver cancer, chronic liver disease, precision medicine, systemic therapy for HCC, and metabolic dysfunction–associated steatotic liver disease (MASLD).

    She joined Dr. Rohit Loomba’s research team at UC San Diego as a visiting scholar to expand her research in MASLD and MASH, particularly in precision medicine, noninvasive biomarkers, and the links between metabolic liver disease, fibrosis, and liver cancer.

    Dr. Cho serves as the overall secretary for the 2026 Korean Liver Cancer Association-NCC HCC Clinical Practice Guidelines and holds leadership roles in the Korean Liver Cancer Association and the Korean Association for the Study of the Liver. She is also an assistant editor for Clinical and Molecular Hepatology and the Journal of Liver Cancer.

Clinical Research Supervisor

  • Egbert Madamba, MD

    Egbert Madamba, MD

    Egbert has a Bachelors of Science in Chemistry and a Medical Doctorate degree. He joined the MASLD Research Center in 2018. He is interested in understanding the etiology and progression of MASH. Outside of the research setting, Egbert enjoys spending time with family and friends.

Research Program Coordinator and Assistant to Dr. Loomba

  • Paula Trusewicz, MPH

    Paula Trusewicz, MPH

    Paula Trusewicz, MPH, has been with UCSD since 2017 and joined the MASLD Research Center in 2023. She earned both her B.S. and Master of Public Health degrees from San Diego State University (SDSU) and is currently pursuing her Doctor of Public Health (DrPH) at SDSU. During her undergraduate studies, she conducted research on particulate matter exposure in Mumbai and Bhubaneswar, India. In her free time, Paula enjoys traveling, learning new languages, yoga, Pilates, cycling, camping, hiking, playing chess, reading, and exploring new cuisines.

Clinical Research Coordinators

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    Alejandro Alvarez

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    Esraa Jaibaji

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    Rohan Loomba

  • Emely Battle

    Emely Battle

    Emely earned her B.S. in Neuroscience from UCLA in 2025 and joined the MASLD Research Center team in 2026. She is particularly interested in the early prevention and reversal of MASLD, along with promoting community-based health education. She aspires to pursue a career in medicine as a physician. Outside of work, Emely enjoys playing the violin and watching space documentaries.
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    Ashwin Penchala

  • Anaid Perez-Peña

    Anaid Perez-Peña

    Anaid received her B.S. in Biochemistry from Arizona State University in 2025 and joined the MASLD Research Center team in 2026. She is interested in pursuing a career in medicine as a physician and is motivated by the importance of representation as a Mexican in medicine. Anaid is passionate about contributing to work that makes a meaningful impact on patient care, with a focus on supporting clinical research and improving patient outcomes. Outside of work, she is a Navy military-spouse with two dogs who enjoys traveling, exploring new places, and running whenever she can.

Research Data Analysts

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    Alex Richter

  • Mary Dalupang

    Mary Dalupang

    Mary received her B.A. in Statistics from UC Riverside in 2015. She joined the MASLD Research Center team in 2024. Mary supports the data and lab aspects of the research center. She enjoys reading, writing, sports and spending time with her family and pets. 

Regulatory Manager

  • Seema Singh, PhD

    Seema Singh, PhD

    Seema has her PhD in Biotechnology and recently joined Dr. Loomba's team in 2017. Seema ensures that research is conducted in accordance with study protocols, as well as federal, state, institutional and regulatory guidelines. As a coordinator, Seema's priority is to provide exceptional care to her study subjects.

Finances

  • Melanie Usher B.S.

    Melanie Usher B.S.

    Melanie received her B.S. in Business Administration with a concentration in Accounting from Slippery Rock University of Pennsylvania. She joined the MASLD Research Center team in 2021. Melanie supports the MASLD Research Center with regard to contract/budget review and implementing/maintaining systems for billing and collecting on all invoiceables for industry-sponsored clinical trials as well as investigator-initiated projects. Outside of the lab, Melanie enjoys spending time with her family, traveling and hanging out at the beach.