Mr. Onyema has been CEO and member of the National Council of The Exchange since April 2011. In this role, he is responsible for superintending the general working of The Exchange.
Mr. Onyema is the President of African Securities Exchanges Association (ASEA); Chairman of Central Securities Clearing System PLC (CSCS), the clearing, settlement and depository for the Nigerian capital market; and Chairman of the subsidiaries of The Exchange. He has served as a Council member of Chartered Institute of Stockbrokers (CIS); Global Agenda Council member of World Economic Forum (WEF); board member of FMDQ OTC PLC and National Pension Commission of Nigeria (PENCOM).
Prior to relocating to Nigeria, he served as Senior Vice President and Chief Administrative Officer at American Stock Exchange (Amex). He also ran the NYSE Amex equity business after the merger of NYSE Euronext and Amex in 2008.
He holds the Nigerian National honor of Officer of the Order of the Niger (OON); is a Fellow of the Institute of Directors (IOD); and member of London Stock Exchange (LSEG) Africa Advisory Group. Forbes listed him as one of the ten most powerful men in Africa in 2015.
Mr. Onyema completed the Harvard Business School Advanced Management Program (AMP) in 2015. He got his MBA from Baruch College, New York in 1998; and BSc from Obafemi Awolowo University, Ile-Ife, in 1991.