Benjamin Wachenje
Title: Chief operating officer, Snapchat; formerly director of business operations, Facebook's Instagram
Born: August 31, 1978, Santa Clara, California
Education: BA in fine arts, Vanderbilt University
Early Marker: Was employee No. 230 at Google, where she rose to run Asia-Pacific and Latin America's online ad sales.
Big Idea: Creating advertising revenue for the ephemeral photo and video mobile service, which has hitherto been a reluctant monetizer.
Wave of the Future: Social media, visual Web, App-economy M-economy
