Dr. Oladunni has served in so many capacities ranging from Executive Director, Executive Vice Chairman, Director etc in both Oil and Management sectors, Human resources sector, security outfit, hotels etc.  He rose to the position of Executive Vice Chairman of Mobil Producing Nigeria.

A 1972 graduate of Economics from University of Ibadan, Dr. Oladunni is a Fellow of several professional bodies such as the Ondo State College of Education (FCEIE), Fellow Chartered Institute of Management of Nigeria, Nigeria Institute of Professionals, Life Fellow, Nigeria Conservation Foundation, Nigeria Institute of Management, Fellow, Paul Harris Rotary and many other institutions.

He has a Masters Degree in Management from California American University in 1981 and a Doctor of Science ( Honoris Causa), University of Calabar.