Mike DiFranza

Oversight: Runs a leading out-of-home video network.
Worth: Captivate delivers more than 54.5 million monthly impressions to 2.5 million business people via a network of elevator screens.
Impact: In 2007, he helped launch the Out of Home Video Advertising Bureau, which has grown to 33 members. Captivate created its own news unit to originate custom and local content across its elevator-screen network.
Digital Stats: Captivate posts blogs from its journalists and provides news coverage on a dedicated Web site.
2007 Rank: No. 39