Randy Saaf was the chief executive officer, and founder, of MediaDefender, Inc., which was purchased by ARTISTdirect, Inc. in 2005 for $42.5 million in cash.Saaf co-founded Jirbo, a large developer of iPhone games, in 2008. Jirbo was sold to Insight Venture Partners in 2010.Saaf is currently the founding CEO of AlphaGenius. AlphaGenius is an investment and technology development firm that farms social media data and produces trading models for the hedge fund industry.