JPMorgan Chase elevates two seasoned Wall Street veterans—an expert trader and a skilled dealmaker—as potential successors to CEO Jamie Dimon in its latest management reshuffle.

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

Jamie Dimon elevates two executives to co-presidents at JPMorgan Chase, continuing a succession playbook with major implications for the bank's blockchain