Dr Awosanya holds a PhD (Accounting) from Marlborough University, Honolulu, United States. Prior to that, he studied Accountancy at the Polytechnic, Ibadan between 1970 and 1972. In further pursuit of his professional accounting career, he attended the Gwent College of higher Education, Newport, South Wales in United Kingdom between 1980 to 1984. He also attended the University of Lagos where he studied Private Property Law and Credit Transactions, Federal University of Technology for his Masters Degree (MBA) in Marketing Strategy.
He joined the Nigerian Army on January 25, 1974 where he served for about 30 years. Whilst in the Army, he served in various capacities before he became the head of the Nigerian Army Finance Corps. He retired as a Major General.
After retirement, he has distinguished himself in the areas of Real Estate, Stock-broking and Hospitality business.