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  1. en.wikipedia.org › wiki › Jan_KoumJan Koum - Wikipedia

    Jan Koum (Ukrainian: Ян Кум; born Yan Borysovych Kum, Ukrainian: Ян Борисович Кум, on February 24, 1976) is a Ukrainian-American billionaire businessman and computer programmer.

  2. www.forbes.com › profile › jan-koumJan Koum - Forbes

    Jan Koum cofounded WhatsApp, now the world's biggest mobile messaging service, in 2009. Facebook bought the startup for $22 billion in cash and stock in 2014. He resigned as CEO of WhatsApp in...

    • CEO, Cofounder
  3. May 1, 2018 · In 2014, as Facebook was secretly preparing to buy WhatsApp for $19 billion, WIRED profiled founder Jan Koum. This is the story of how he fled communism, lived on welfare, and then sold...

    • David Rowan
  4. 3 days ago · Overview. Koum is a co-founder and former chief executive of WhatsApp, a messaging app that has been downloaded onto more than six billion devices. The app was launched in 2009 and sold to...

  5. Feb 20, 2014 · Jan Koum picked a meaningful spot to sign the $19 billion deal to sell his company WhatsApp to Facebook earlier today.

  6. May 18, 2017 · WhatsApp cofounder Jan Koum has certainly come a long way since his food stamp days. Now he's worth billions and is leading a key piece of Facebook's future.

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  8. Apr 24, 2017 · Former WhatsApp CEO and co-founder Jan Koum. David Ramos | Getty Images. Roughly one in seven people on earth have Jan Koum, and his company WhatsApp, to thank for their ability to call and...

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