Founder and managing director, Draper Fisher Jurvetson
Age: 48
Draper popularized the idea of "viral marketing" when he backed Web-based e-mail startup Hotmail -- a concept of low-cost promotion that underpins the spread of everything from Skype (also a Draper investment) to today's social networks. Lately, DFJ has been looking pretty viral itself, spreading to 27 locations around the world through a network of venture "affiliates." Age: 48
View all candidates
Tell us who you think matters now -- and why
