Primary Role
Co-Founder and Chairman @ AddThis
1 Investment in 1 Company

Person Details


Hooman is founder and Chairman of AddThis. AddThis is the largest content sharing platform in the world. Used by over 14 million unique domains, reaching over 1.3 billion users worldwide monthly, AddThis is the standard social sharing and analytics platform for companies like NBC, Fox, Disney, and more.

Hooman is a frequently requested speaker at industry conferences like AdTech, OMMA, SXSW, Digital Hollywood, Web 2.0 Expo, and CES. Named one of Tech's Best Entrepreneurs in BusinessWeek, one of Washington DC's 100 Tech Titans, and one of iMedia's 25 most influential online marketing professionals he has been featured in print, radio and television outlets like NBC, NPR, Fast Company, and Wired.

He is a three-time nominee for Ernst & Young's Entrepreneur of the Year, was a Whiting-Turner Lecturer at the University of Maryland, and was the recipient of the Technology Business Leadership Award from the A. James Clark School of Engineering at the University of Maryland.

Radfar graduated magna cum laude from the University of Pennsylvania with degrees in Computer Science & Economics. He holds an Electrical & Computer Engineering from Carnegie Mellon University where he researched Social Networking and is a member of the Information Networking Institute's Alumni Leadership Council.

Experience (2)


Advisory Roles (4)


Education (3)


Investments (1)

  • Always Prepped
    Always Prepped provides online tools that help teachers manage student and classroom data.
    Nov 15, 2012 - Invested in $650k Seed Round with 3 others