Clockwise from top left: Tom Steyer, founder of $18.4 billion hedge fund Farallon Capital Management;  Fang Xinghai, former head of Shanghai's Office of Financial Services; Warren Buffet's protégée, Tracy Britt;  Ken Mehlman, head of global public affairs for $78 billion alternative-investment firm KKR & Co.; Jose Filomeno de Sousa dos Santos, son of Angola's President Jose Eduardo dos Santos; and Andy Smith, head of equity research at Sberbank CIB.

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