Potentially Competing Interests

David Holtz is currently an employee of Columbia University.

D.H. was previously a consultant to the U.S. Department of Housing and Urban Development and the Federal Deposit Insurance Corporation. D.H. was previously a consultant to and has a significant financial interest in Interviewing.io. D.H. was previously a visiting researcher at Microsoft. D.H. was previously a paid summer intern at Microsoft, Spotify, and Meta. D.H. was previously an full-time employee of Airbnb, Yub, and TrialPay.

D.H. was previously an advisor to Tandem, and is currently an advisor to Trapeze. He has made angel investments in Trapeze, Delty, Approval AI, Tandem, Crowdvolt, Rewind AI, Hyphen, Alan, Workstream, Mosey, Prezent, HomeRoom, Coinshift, Radical, Bobbie, and SecurityPal.

D.H. serves on the board of directors for the Elysabeth Kleinhans Theatrical Foundation, and previously served on the board of directors for Groundwork Bridgeport.

D.H. is an inventor of patents and patent applications assigned to Airbnb and Microsoft.

Some of D.H.’s research is or has been funded by Microsoft, the Boston University Center for Antiracist Research, the Russell Sage Foundation, the Alfred P. Sloan Foundation, and the Summer Institute in Computational Social Science.

D.H. is a research affiliate at the MIT Initiative on the Digital Economy. In that role, he has been an organizer of the Conference on Digital Experimentation (CODE@MIT) since 2022, during which period it has been sponsored by Netflix, Booking.com, Amazon, Itaú, Eppo, and Statsig.

D.H. sometimes conducts research through data use agreements with named and unnamed firms, and by advising collaborators—including students—who are employees or consultants at other firms.