25 Who Ditched Infotech for Cleantech

Larry Gross

Background: Former dotcom entrepreneur at Idealab

Current: Former CEO of AltraBiofuels, CEO of Edeniq

Gross was a former dotcom entrepreneur at Idealab (with his brother Bill Gross, #8) and more recently has been leading ethanol maker AltraBiofuels. Recently we noticed that Gross had left the corn-based ethanol firm. Turns out AltraBiofuels is spinning out a cellulosic arm, Edeniq, and Gross will be leading that endeavor.