Will Jamie Dimon build the first trillion-dollar bank?

“Serena Williams, Tom Brady, Stephen Curry.” When it comes to making sure the world’s biggest bank is a lean operation, Jamie Dimon takes athletic inspiration. “Look how they train, what they do to be that good,” says the boss of JPMorgan Chase. “Very often, senior leadership teams, they lose that. Companies become very inward-looking, dominated by staff, which is a form of bureaucracy.”