John Hering
John Hering
Founder and CEO, Lookout
Age: 28

Hering's company, which offers a mobile security application to the consumer market, has grown from 100,000 users 18 months ago to 12 million now. It is currently adding new users at a one-million-per-month clip. Lookout has partnerships with three of the top four wireless carriers and just raised $75 million in funding, while its staff has increased from 10 to almost 100. With a user base reflective of the smartphone market overall, Lookout is poised to continue its rapid growth.


EDITORIAL PACKAGE REPORTED BY KATIE BENNER, SCOTT CENDROWSKI, BETSY FELDMAN, MINA KIMES, ALEX KONRAD, BETH KOWITT, COLLEEN LEAHEY, MICHAL LEV-RAM, TARA MOORE, TORY NEWMYER, DANIEL ROBERTS, CHRISTOPHER TKACZYK, ANNE VANDERMEY @FortuneMagazine - Last updated November 30 2011: 10:19 AM ET
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