JPMorgan executive Carlos Hernandez, the leader of the bank’s investment banking staff and a member of Jamie Dimon’s inner management circle, will retire next year.

The 36-year veteran of JPMorgan has been a counsellor to major executives and world leaders and a close ally to  Dimon. He plans to retire at the end of the first quarter next year, according to an internal memo on 17 October from Dimon and Daniel Pinto, the president and head of the corporate investment bank.