Ken Costa was most recently vice-chairman of investment banking at UBS after first joining SG Warburg, which later became part of UBS, in 1976. He held roles as deputy chairman at SG Warburg, and as chairman of the investment banking board and global head of mergers and acquisitions at SBC Warburg.

Costa has provided strategic advice on mergers, acquisitions and divestitures to international corporations including German insurer Allianz, beverages company Diageo, the Kuwait Petroleum Corporation, banking group Standard Chartered and UK telecommunications company Vodafone.