Geraldine Buckingham

The youngest BlackRock executive reporting directly to CEO Larry Fink, Buckingham is tasked with long-term strategic thinking at the world's largest asset manager. Recently, she helped lead the firm -- and its $5.7 trillion under management -- to double down on algorithms making investment decisions over human stock pickers. Beyond tracking tech trends, the former emergency room surgeon also keeps a finger on the pulse of politics and regulatory changes.