Fact checked by Ryan Eichler Reviewed by Robert C. Kelly James Dimon, known as Jamie, is an American billionaire businessman and financial executive. He became chief executive officer (CEO) of ...
Jamie Dimon is the Chairman and CEO of JPMorgan ... He first rose to fame as the right-hand man of Sandy Weill when they created Citigroup in a series of deals. Dimon was ousted from Citi and ...