David Siegel

David Siegel is the cofounder of Two Sigma, a quantitative trading powerhouse that manages $60 billion.

Two Sigma is a data-driven hedge fund that absorbs large amounts of information to predict the prices of securities.

Two Sigma also runs a market-making business, owns a Bermuda reinsurance company, operates a venture capital arm, operates a private equity arm and invests in real estate.

Born in the Bronx, Siegel is a computer fanatic who got a computer science Ph.D. from MIT and worked at hedge funds D.E. Shaw and Tudor Investments.

Siegel's charitable foundation, Siegel Family Endowment, is focused on technology and society and supports programs such as the MIT Center for Brains, Minds and Machines.