Roger EhrenbergBefore big data was a hot investing theme, Roger Ehrenberg was one of the first seed investors to focus almost exclusively on startups using data as a competitive edge.

His NYC-based fund, IA Ventures, has backed companies such as Billguard, Coursekit, DataSift, Next Big Sound, Simple, ThinkNear, and Yipit.

His first fund, raised in 2010, was a $50 million seed fundNow, IA Ventures just raised $105 million to double down on data plays in Fund II.