[4][5] In January 2020, he left Goldman Sachs to become a senior fellow and lecturer at Yale University’s Jackson Institute for Global Affairs.
[3][1] He became involved in South Africa's constitutional transition in the 1980s,[4] and Business Insider writes that Coleman "spent years helping to dismantle Apartheid.
"[3] In 1987, he became the national media officer of the National Union of South African Students,[1] and starting in 1989 he held management positions with the Consultative Business Movement,[4][1] Standard Bank Investment Corporation (SBIC),[4] and Johannesburg's Standard Corporate & Merchant Banking.
Goldman Sachs International named him a managing director in 2002,[4][1] head of its Investment Banking Division for Sub-Saharan Africa in 2008, and a partner in 2010.
[4] That year Business Insider named him one of the 11 Most Impressive New Partners At Goldman Sachs, and he was one of Euromoney’s World Top Ten “Financing leaders for the 21st Century.