A major figure in JP Morgan's London-based derivatives business, who was a key link between the bank and its hedge fund and institutional clients, has left.

Adrian Valenzuela, global co-head of equities distribution at the US investment bank, based in London, was a major figure in the bank's sales business for equity derivatives with extensive experience in dealing with hedge fund clients having worked on the buy side himself. He was at London based hedge fund WMG Advisors, before moving to banking with a role at Merrill Lynch.