Atedo Peterside is the Chairman and Founder of ANAP Business Jets Limited. He is also the Founder of  Stanbic IBTC Bank PLC, where he was the Chief Executive Officer (CEO) of the Bank in February 1989 at age 33 (then IBTC) until 2007 and then Chairman from 2007 until September 2014. He is currently Chairman of Stanbic IBTC Holdings PLC and is also a Director of both The Standard Bank of South Africa Limited and Standard Bank Group Limited.

He is the Non-Executive Chairman of Cadbury Nigeria PLC and also sits on the Board of Directors of Flour Mills of Nigeria PLC, Nigerian Breweries Plc. (Heineken Subsidiary) and Unilever Nigeria Plc. He was the Chairman of the Committee on Corporate Governance of Public Companies in Nigeria, which crafted the first Code of Best Practices for Public Companies operating in Nigeria. The Code was published in October 2003.

Between 2011 and May 2015, Mr. Peterside was a member of the National Council on Privatisation (NCP) and was also the Chairman of the NCP's Technical Committee. He was also a member of the National Economic Management Team between 2011 and May 2015.