David Siegel

David Alan Siegel is an American businessman who founded Westgate Resorts Ltd, a Florida-based timeshare resort firm where he serves as president and chief executive officer. He has nine biological children and two adopted children.

• David Siegel is the cofounder of Two Sigma Investments, a quantitative trading powerhouse that manages $57 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 and operates a venture capital arm.
• 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 family endowment supports education and research programs like the New York Hall of Science and Library For All.