JPMorgan Dimon Succession Shakeup: New Co-Presidents Named as CEO Stays 3+ Years JPMorgan Dimon Succession explained through the bank's June 25, 2026 press release and SEC Form 8-K. Doug Petno and Troy Rohrbaugh became Co-Presidents, Marianne Lake announced her retirement, and Jam... Banking Dimon Succession JPMorgan 20-Aug-2026 0 292