A board-certified physician specializing in internal medicine, gastroenterology, hepatology, and transplant hepatology with more than 30 years of experience treating complex liver and gastrointestinal disorders. His clinical work includes management of chronic hepatitis B and C, cirrhosis, liver fibrosis, nonalcoholic fatty liver disease, HIV/HCV coinfection, hepatocellular carcinoma, autoimmune liver disease, and complications associated with end-stage liver disease and liver transplantation. He has also provided expert witness services for more than 15 years, involving consultations, depositions, and courtroom testimony in matters concerning hepatology, gastroenterology, transplant medicine, medication-related liver injury, and standards of care.

His professional background combines academic medicine, clinical leadership, and advanced research in liver disease and antiviral therapies. He has served in academic and leadership capacities involving transplant hepatology fellowship training, physician supervision, transplant-related clinical management, and multidisciplinary liver disease programs. His experience also includes consulting physician responsibilities connected to international organizations and transportation-related medical services.

In addition to his clinical practice, he has served as principal investigator for numerous studies involving hepatitis treatment, HIV/hepatitis coinfection, liver fibrosis, antiviral medications, hepatotoxicity, and transplant outcomes. He has authored peer-reviewed publications, textbook chapters, and clinical reviews addressing chronic liver disease, drug-induced liver injury, viral hepatitis, and transplant hepatology, and has participated in advisory boards and educational programs focused on liver disease management.

He earned his Doctor of Medicine (M.D.), magna cum laude, followed by postgraduate training in internal medicine, including an internship and residency, and completed a fellowship in gastroenterology. He is board certified in Internal Medicine, Gastroenterology, and Transplant Hepatology, and is a Fellow of the American Gastroenterological Association (AGAF), reflecting his expertise in liver disease, gastrointestinal disorders, and transplant hepatology.