M.B.B.S., College of Medicine University of Nigeria, 1982; Internal medicine residency, College of Physicians and Surgeons of Columbia University at Harlem Hospital, New York; Gastroenterology fellowship, College of Physicians and Surgeons of Columbia University at Harlem Hospital; Hepatology and liver transplant fellowship at University of Medicine and Dentristry, Newark, NJ; Board certified in internal medicine and gastroenterology