Hooman Radfar (born July 14, 1980, London, England) is an American entrepreneur and computer scientist.

According to web measurement firm ComScore, in 2015 the platform was ranked #1 in AdFocus, reaching over 97% of users in the United States ahead of Google, Yahoo and Facebook.

from Carnegie Mellon University where he researched social networking, multi-agent systems, and their applications to computational economics.

[3] In 2004, Radfar and Austin Fath founded Clearspring Technologies to create a platform for website developers to grow their traffic and engagement, based on their graduate research in web services and social networking at Carnegie Mellon.

Radfar is an investor in 40+ companies including Uber, Sweetgreen, Sleeper, Onfido, Unit, Fabric, SpaceX and more via his investment platform 10e9.