John Joseph Ricketts (born July 16, 1941) is an American businessman and philanthropist. He is the founder, former CEO and former chairman of TD Ameritrade.[4] He had a net worth of US$2.7 billion as of 2019 according to Forbes.[5] Ricketts also engages in philanthropy through The Ricketts Art Foundation, Opportunity Education Foundation, The Cloisters on the Platte Foundation, and The Ricketts Conservation Foundation.[5][6][7][8][9]