Click to view a price quote on RAAX. : The former chief executive officer of Mastercard, Ajay Banga, has joined General Atlantic as vice chairman, the private equity firm said. Banga will start advising the private equity firm on strategic matters, its investment teams and over 165 growth companies globally on Jan. 1. He will focus on financial inclusion such as giving people and businesses access to affordable financial products, General Atlantic CEO Bill Ford told the Wall Street Journal. Banga has a history of "developing commercially sustainable social impact and innovating for inclusion," the private equity firm said in a statement.