Kelechi Okereke is an MBA candidate already with plenty of experience to start a career in investment banking and business administration. Okereke got his first opportunity to work in the business arena when he earned a position in the Nigerian Stock Exchange, where he worked with senior management to learn how the stock exchange is organized.  Following this experience, he then went to work for Citigroup Investment Banking, where he was a pioneering member of the Africa Mergers and Acquisitions team for Citigroup in London.