Apollo Global CEO Leon Black to retire after Epstein review Bloomberg Leon Black, right, announced his retirement Monday following an independent review of his professional relationship with convicted sex offender Jeffrey Epstein. Leon Black, chairman and CEO of Apollo Global Management, will retire as CEO by July 31, but remain chairman, a news release said Monday. Marc Rowan, Apollo co-founder and senior managing director, will succeed Mr. Black as CEO. The announcement comes immediately on the heels of Apollo’s announcement of the completion of law firm Dechert’s independent review of Mr. Black’s professional relationship with financier and convicted sex offender Jeffrey Epstein.