Dimon plans to stay on as CEO for at least three more years, a source said. Read more at straitstimes.com. Read more at straitstimes.com.

The moves would appear to make Doug Petno and Troy Rohrbaugh the most obvious possible successors to JPMorgan Chase CEO Jamie Dimon.

Dimon, who turned 70 in March, has been JPMorgan's boss for two decades, steering it through the financial crisis.