He is the current Chairman of BOI Investment and Trust Company Limited. He is also the Chairman of the Governing Council, Federal University of Agriculture Abeokuta, Director Bank of Industry Limited and Executive Committee member of Manufacturers Association of Nigeria (MAN).
He is a renowned and distinguished industrialist and worked as Accountant with Philips Nigeria and Vegetable Oils Nigeria. He joined Thomas Wyatt as an Accountant in 1976 and rose to the position of Managing Director, a position he held for 20 years as a result of his ingenuity, dedication and hard work.
Chief Osayemi has been involved in many good causes in the Organized Private Sector of Nigeria and his outstanding contributions earned him an award as a Member of the Order of the Nigeria (MON). He was equally a member of the Steering Committee for vision 20:2020.
He has a Bachelors Degree in Economics from the University of London, and holds a Bachelors and Masters degree in Law from the
University of Lagos. He was called to the Bar in 2001. He is an associate member of the Nigerian Institute of Management (NIM) and the Chartered Institute of Cost and Management Accountants (ICMA London) as well as a fellow of the Institute of Chartered Accountants of Nigeria (ICAN).