['08 rank - not ranked]

Rachel Whetstone joined Google in 2005, but it wasn't until last year that she made her way to the top slot of the company's communications function, following the departure of Elliot Schrage to Facebook. As the leader for Google's global teams on communications and public policy, she stands to play a significant role in the latter, which is becoming an increasingly important priority for the tech company. Although notoriously tight-lipped with the press, Google ...