Hooman Radfar is a technology entrepreneur with demonstrated experience in product development, strategy, operations, financing, and M&A. He has deep knowledge in social platforms, big data, and online marketing.

Radfar is co-founder & chairman of AddThis, the world's largest social and data platform for publishers and advertisers. Reaching 1.6 billion unique users monthly, AddThis' social plugins and analytics are used by over 15 million web sites to increase traffic and engagement. AddThis' audience targeting platform leverages over 100TB of data daily to enable over 500 brands to reach the right consumers at the right time via real-time bidding platforms.

He is a frequently requested speaker at conferences like AdTech, OMMA, SXSW, Digital Hollywood, Web 2.0 Expo, and CES. Named one of Tech's Best Entrepreneurs in BusinessWeek, a two-time Washington Tech Titan, and one of iMedia's 25 most influential online marketing professionals. Hooman has been featured in print, radio and television outlets like NBC, ABC, Wall Street Journal, NPR, Fast Company and more.