Hooman Radfar is the cofounder of AddThis which provides the most widely used social media tools and analytics platform for web site creators. According to web measurement firm ComScore, in 2013 the platform reached over 97% of users in the United States and 1.6 billion users world-wide. The company has raised over $73M in funding from Institutional Venture Partners, New Enterprise Associates, Novak Biddle Venture Partners, Rho Ventures, as well as from angel investors Steve Case, Ron Conway, and Ted Leonsis. Hooman also joined the team at Expa, a $50M early stage fund led by Garrett Camp (cofounder of Uber) and Naveen Selvadurai (cofounder of FourSquare). He earned his M.S. in Information Networking from the Information Networking Institute at Carnegie Mellon University.