Hooman Radfar (born July 14, 1980, London, England) is an American entrepreneur and computer scientist. He is co-founder and CEO at Collective, the first online back-office platform designed for freelancers, consultants and other businesses-of-one. He is currently a Venture Partner at Expa, a San Francisco-based start-up venture firm and studio where he was a founding partner. Previously, he was co-founder and CEO of AddThis. AddThis provided the most widely used marketing tools for web site creators. 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.[1] According to TechCrunch, AddThis was purchased by Oracle in 2016 for around $200 million.[2]
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.[4] Clearspring launched the first content sharing and tracking service designed for web publishers in 2006.[5] The company acquired AddThis in 2008,[6] then XGraph in 2011. Clearspring was rebranded as AddThis in 2012. AddThis was acquired by Oracle in 2016.
Expa
In 2014, Radfar moved to San Francisco,[7] joining Expa as an EIR.[8] He became a founding partner at the firm alongside Uber co-founder Garrett Camp and Foursquare co-founder Naveen Selvadurai in 2015. He led the investment program at Expa before founding Collective.
Collective
Radfar co-founded Collective with Ugur Kaner and Bugra Akcay. The company officially launched September 29, 2020[9] and is funded by General Catalyst Investors, QED Investors, Expa, Gradient Ventures, and Sound Ventures.
Other ventures
Radfar is an investor in 40+ companies including Uber, Sweetgreen, Sleeper, Onfido, Unit, Fabric, SpaceX and more via his investment platform 10e9.
Patents
Method and apparatus for widget and widget-container platform adaptation and distribution, (2008) [10]
Methods and apparatus for management of inter-widget interactions, (2010) [11]
Method and apparatus for widget-container hosting and generation, (2011).[12]
Method and apparatus for data processing, (2012).[13]
^US 2008222232, Allen, Stewart O.; Cosby, Scott F. & Debutts, Hasseltine R. et al., "Method and apparatus for widget and widget-container platform adaptation and distribution", published 2008-09-11
^US 2010100605, Allen, Stewart O.; Cosby, Scott F. & Fath, John A. et al., "Methods and apparatus for management of inter-widget interactions", published 2010-04-22
^US 8056092, Allen, Stewart O.; Cosby, Scott F. & Fath, John A. et al., "Method and apparatus for widget-container hosting and generation", published 2011-11-08, assigned to Clearspring Technologies Inc.
^US 8266274, Allen, Stewart O.; Cosby, Scott F. & Greene, Dylan J. et al., "Method and apparatus for data processing", published 2012-09-11, assigned to Clearspring Technologies Inc.