Finance firm RoseRyan has rated Natural Logic CEO Gil Friend one of the Bay Area’s top 25 movers & shakers in cleantech.

“We don’t know if any of these individuals will become an industry titan,” they note, “but each has contributed significantly to the industry’s growth.”

Gil served on San Francisco Mayor Gavin Newsom’s CleanTech Advisory Council, and recently keynoted the 2009 CleanTech Open Awards & Gala.