Leadership Profiles

Leaders worth studying closely

In-depth editorial profiles of the people who shape great organisations: the context, the defining decisions, and the durable lessons. 29 leaders and counting, from founders and operators to chairs and CEOs.

Jamie Dimon, Chairman and CEO of JPMorgan Chase, speaking at a conference podium.
Finance & institutional leadership

The letter the world reads: the long reign of Jamie Dimon

Every spring, the chief executive of America's largest bank publishes a letter to his shareholders. It runs to tens of thousands of words, and almost nobody reads it for the dividend. For two decades, Jamie Dimon's annual letter has been the closest thing Wall Street has to a state-of-the-union address, and a window into how the longest-tenured big-bank CEO thinks about leading through storms.

By Charles Louis · 11 June 2026 · 7 min read