Born on 17^th December 1961, Professor J. A. Otegbayo attended lla Grammar School, lla-Orangun between 1977-1978, Methodist Grammar School, Otan-lle from 1978-1980 and Command Secondary School, Kaduna between 1980-1983. He obtained the MBBS degree from the University of Ibadan in November, 1989; a Certificate in Immunology, the University of Ibadan in 2001, and a Master of Science Degree in Chemical Pathology/Immunology of the same University in year 2003. He was awarded a Postgraduate Certificate in Gastroenterology and Endoscopy by the University of Tel-Aviv, Israel in 2002 and also has a Ph.D degree in Chemical Pathology/Immunology from the University of Ibadan in 2011.
Professor Otegbayo is a Fellow of the West African College of physicians (FWACP) 1998, and Fellow of the Union Internationale Contre Cancer/International Union Against Cancer (UICC), Switzerland; a Fellow of the American College of Gastroenterology (FACG), USA in June, 2009; Fellow, Royal College of Physicians (Glasgow) in 2015. He was promoted Professor of Medicine in the University of Ibadan, Ibadan in 2008.
Professor Otegbayo is a renowned researcher with over 100 publications to his credit. A Consultant physician & Gastroenterologist, he is happily married to Prof. (Mrs.) Bolanle Otegbayo, Department of Food Science and Technology, Bowen University, Iwo, Nigeria and the marriage is blessed with godly children.