Jamie Dimon and the JPMorgan succession question

Direct, impatient, combative and obsessed with risk, Jamie Dimon is regarded by admirers as one of Wall Street’s last great bankers. His critics, meanwhile, see a leader so dominant that it has become hard to picture JPMorgan without him. Now 70, he remains in charge of America’s largest bank, as the question that has troubled the financial sector for more than a decade resurfaces: who will succeed him?

That question has become more pressing as the bank, like its rivals, begins to shape its succession plan. The first significant signal came with the selection of two of three senior executives to take on co-president roles. Doug Petno and Troy Rohrbaugh were promoted, while Marianne Lake, the former chief financial officer long considered one of the leading candidates for the chief executive role, was passed over and chose to retire after more than 25 years at the firm.

Lake was the only woman in the running and, according to the British newspaper Financial Times, one of the people most openly willing to disagree with Jamie Dimon. The decision narrowed the field, but it did not remove the taboo. For years, whenever the banker was asked how much longer he intended to stay, he offered an answer that became almost a running joke: another five years. He just never said those five years renewed automatically.

In February, the executive again left his options open. “I’ll be here for a couple more years as CEO and maybe a couple more after that as executive chairman and chairman of the board, depending on what makes sense for the company,” he said. In other words, Jamie Dimon is preparing for succession, but does not appear ready for a complete departure. Everything suggests that, after stepping down as chief executive, he will remain chairman - and that shadow could be difficult for his successor to manage.

Jamie Dimon’s JPMorgan legacy

The challenge of the post-Dimon era begins with the figures. The American economist has led JPMorgan since 2006 and chaired its board since 2007. Over that period, the bank has become a financial fortress, with $4.9 trillion in assets and profits approaching $1 billion a week. It is not merely “America’s largest bank”; it is a central pillar of American capitalism.

Yet his stature cannot be measured by results alone. His annual letter to shareholders is read almost as an essay on the state of America, covering everything from interest rates and public debt to artificial intelligence and banking regulation, nearly always in an alarmed tone. This has earned him Wall Street’s nickname, worrier-in-chief.

Born in New York in 1956 to a family of Greek heritage, Jamie Dimon grew up close to the industry he would later dominate: both his father and grandfather worked in finance. He studied Psychology and Economics at Tufts University in Massachusetts before completing an MBA at Harvard. He began his career at American Express, where he grew close to Sandy Weill, the banker who became his mentor. Dimon subsequently followed Weill through Commercial Credit, Travelers and Smith Barney, eventually reaching Citigroup.

In 1998, however, their relationship broke down and the “apprentice” left Citi. It was a public setback for a man widely viewed as Weill’s potential heir, but it also marked the start of his emergence as a leader in his own right.

Two years later, he found the opportunity to rebuild his reputation in Chicago, taking charge of Bank One, a lender struggling with operational problems and poor profitability. There, he applied the approach that would become his trademark: cutting costs, strengthening discipline and demanding control. The turnaround attracted JPMorgan’s attention, and it acquired Bank One in 2004. Jamie Dimon joined the group as president and chief operating officer before reaching the top job in 2006.

Born in New York in 1956 to a family of Greek heritage, Jamie Dimon grew up close to the industry he would later dominate, as his father and grandfather both worked in finance.

From the financial crisis to a fortress balance sheet

The 2008 financial crisis turned him into a figure larger than his title. While several American banks collapsed, disappeared or required bailouts, JPMorgan entered the turmoil in a stronger position than many competitors. It used that position of trust to buy Bear Stearns and acquire Washington Mutual’s banking assets. Jamie Dimon emerged from the subprime crisis with the reputation of a banker who had understood risk better, withstood the shock and then used the chaos to expand.

It was after this period that the phrase summarising his philosophy gained prominence: a fortress balance sheet - a crisis-proof financial position built on strong capital, liquidity and discipline. More recently, in 2023, the acquisition of much of First Republic’s assets repeated the same pattern: being ready to buy when others are forced to sell.

The risks behind Jamie Dimon’s record

His path has also included significant obstacles, the biggest being the London Whale case in 2012. A derivatives portfolio managed from London generated losses running into billions of dollars and revealed serious weaknesses in internal controls. This was followed by settlements and penalties relating to the sale of mortgage securities before the financial crisis, the preservation of internal communications, and proceedings connected to Jeffrey Epstein. These episodes prevent any entirely spotless portrait.

Ultimately, Doug Petno and Troy Rohrbaugh may become chief executives of America’s largest bank, but neither will be Jamie Dimon. Perhaps that is the issue JPMorgan itself is trying to resolve: whether it has built an institution strong enough to rely less heavily on the man who became indispensable.