Jamie Dimon

James Dimon (born March 13, 1956) is an American banker and manager who has been the chief executive officer (CEO) of the banking institution JPMorgan Chase since 2005 and its chairman since 2006. Dimon began his career as a management consultant at a consulting firm in Boston. After graduating from Harvard Business School in 1982, he joined American Express, working under the mentorship of Sandy Weill. In 1986, at the age of 30, Dimon was appointed chief financial officer (CFO) of Commercial Credit and later became the firm's president. He was chief operating officer (COO) of both the insurer Travelers and the brokerage firm Smith Barney from 1990 to 1998, when he became president of Citigroup. In 2000, he was appointed CEO of Bank One, overseeing its operations until merger with JPMorgan Chase in 2004. Dimon then became COO of JPMorgan Chase, assuming the role of CEO in 2005. He was on the board of directors of the Federal Reserve Bank of New York during the late 2010s. Dimon was included in Time magazine's 2006, 2008, 2009, and 2011 lists of the world's 100 most influential people. As of December 2025, Forbes estimates his net worth at $3 billion.

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