James "Jamie" Dimon is the current chairman, president and chief executive officer of JPMorgan Chase, one of the Big Four banks of the United States, and previously served as a Class A director of the Board of Directors of the New York Federal Reserve. Dimon was named to Time magazine's 2006, 2008, 2009, and 2011 lists of the world's 100 most influential people. He was also named to Institutional Investor's Best CEOs list in the All-America Executive Team Survey from 2008 through 2011.
JPMorgan Chase Co. is an American multinational banking and financial services holding company. It is the largest bank in the United States, with total assets of US$2.415 trillion. It is a major provider of financial services, and according to Forbes magazine is the world's third largest public company based on a composite ranking. The hedge fund unit of JPMorgan Chase is the second largest hedge fund in the United States.The company was formed in 2000, when Chase Manhattan Corporation merged with J.P. Morgan Co.