Jamie Dimon

DEFINITION of 'Jamie Dimon'

The chairman, CEO and former president of JPMorgan Chase & Co. He joined Chase as its president in 2004, when Chase acquire Bank One, the U.S.'s sixth-largest bank. He became the company's CEO in December, 2005. In 2007, Dimon was elected to a three-year term as a class A director of the Federal Reserve Bank of New York. He has also been a director of Yum! Brands and the Chicago Clearing House Association.


Born in 1956 in New York City, Dimon earned his MBA from Harvard Business School in 1982. He began his career in 1978 as an intern for Goldman Sachs. He worked for numerous financial companies, including American Express, Commercial Credit Group, Primerica, Smith Barney (COO then chairman and CEO), Citigroup (president) and Bank One (chairman and CEO).