Prior to co-founding Two Sigma, David was Chief Technology Officer and Managing Director at Tudor Investment Corporation. After earning his doctorate, David joined D. E. Shaw & Co. and rose to become the company's first chief information officer. While at D. E. Shaw & Co., he founded and served as president of FarSight Financial Services, the world's first integrated personal financial services website, which was acquired by Merrill Lynch. A graduate of Princeton University, David received a PhD in computer science from Massachusetts Institute of Technology, where he studied at its Artificial Intelligence Laboratory. David has had a lifelong interest in building intelligent computational systems and continues to actively pursue this mission at Two Sigma today.
 
He currently sits on the Board of Directors of the Hamilton Insurance Group, the Scratch Foundation, NYC FIRST and NAF. In addition, David is a trustee of Carnegie Hall, an Executive Advisory Committee Member of the NSF/MIT Center for Brains, Minds & Machines and an advisory board member of Stanford’s Center on Philanthropy and Civil Society.

David is also a member of the Cornell Tech Board of Overseers and a member of the Corporation Visiting Committee for the MIT Media Laboratory.