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San Jose State University, BS
Computer Science

Current Companies

Co-Founder & CEO
Board Member

Former Companies

Infrastructure Engineering

Web Presences


Jan Koum

Jan Koum is the Co - Founder & CEO of WhatsApp.

WhatsApp Messenger is a personal real-time messaging network allowing millions of people around the world to stay connected with their friends and family.

Jan dropped out of San Jose State University, where he was studying math and computer science.

His first cellphone was a Motorola V60.

Recent Milestones

  • Check
    Jan Koum added a position as Board Member at Facebook. (2/19/14)
    Posted 2/19/14 at 4:12pm
  • Check
    Jan Koum added a position as Co-Founder & CEO at WhatsApp. (2/1/09)
    Posted 12/6/12 at 1:10pm
  • Check
    Jan Koum added a position as Infrastructure Engineering at Yahoo!. (1/1/98)
    Posted 4/28/13 at 10:51pm



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Last Edited 2/19/14

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