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  1. 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 . He is the co-founder and former CEO of WhatsApp, a mobile messaging app which was acquired by Facebook in 2014 for US$19.3 billion.

    Jan Koum - Wikipedia

    https://en.wikipedia.org/wiki/Jan_Koum
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  3. Jan Koum - Wikipedia

    en.wikipedia.org/wiki/Jan_Koum

    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 . He is the co-founder and former CEO of WhatsApp, a mobile messaging app which was acquired by Facebook in 2014 for US$19.3 billion.

    • What's Up WhatsApp? (Jan Koum, CEO at WhatsApp & David Rowan) | DLD14
      YouTube
    • How to Build a Product IV - Jan Koum, Co-founder of WhatsApp - Stanford CS183F: Startup School
      YouTube
    • Highlights - What's Up WhatsApp? (Jan Koum, Co-Founder and CEO at WhatsApp & David Rowan) | DLD14
      YouTube
    • Campus Lecture (Jan Koum, Founder of WhatsApp & Stefan Winners) | DLD14
      YouTube
  4. Jan Koum - Forbes

    www.forbes.com/profile/jan-koum

    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...

  5. Jan Koum: The Inspirational Story of the Founder of WhatsApp

    leaders.com/articles/leaders-stories/jan-koum

    Jan Koum worked on the security team at Ernst & Young in his freshman year at San Jose State. During this time, he met his future business partner, Brian Acton, while working on a project at Yahoo. The two immediately hit it off. Several months later, Koum applied for a job with Yahoo and ended up working there for nearly a decade.

  6. Jan Koum Biography - Facts, Childhood, Family Life & Achievements

    www.thefamouspeople.com/profiles/jan-koum-7407.php

    Jan Koum is a Ukrainian-born American internet entrepreneur who co-founded the mobile messaging application WhatsApp with Brian Acton. The extremely popular mobile application was acquired by Facebook Inc. in 2014 for a whooping US$19 billion. A billionaire today, he is counted amongst the richest Americans but just a few years ago he was so poor that he had to live off food stamps.

  7. Bloomberg Billionaires Index - Jan Koum

    www.bloomberg.com/billionaires/profiles/jan-koum

    Koum is a co-founder and former chief executive of WhatsApp, a messaging app that has been downloaded onto more than six billion devices.

  8. Jan Koum: How the WhatsApp Cofounder Went From Food Stamps to ...

    www.businessinsider.com/whatsapp-ceo-jan-koum...

    WhatsApp cofounder Jan Koum. Reuters Few people have benefited from Facebook's incredible success more than WhatsApp cofounder Jan Koum. With an estimated fortune of roughly $9.5 billion,...

  9. Jan Koum, the co-founder of Whatsapp, has splashed $87 million to buy a Malibu, California mansion right next to one he already owns. Koum will be buying the sprawling cliff-side property,...

  10. WhatsApp's reclusive founder is now a megadonor to Jewish ...

    jweekly.com/2022/06/15/jan-koum-whatsapps...

    Jan Koum, a California resident who owns properties throughout the state, including several in Silicon Valley, and controls a multi-billion-dollar charitable foundation, has not uttered a public word even as many other wealthy Ukrainians and Russians announce donations toward humanitarian relief efforts.

  11. Jan Koum to Make Off-Market Deal for House Next Door – DIRT

    www.dirt.com/gallery/moguls/tech/jan-koum-house...

    Not so much anymore, just ask the down-on-its-heels estate’s next-door neighbor, billionaire tech tycoon Jan Koum. With a net worth of $13.4 billion burning a hole in his pocket, the trophy property collecting WhatsApp co-founder has compiled a by-every-standard jaw-dropping west coast real estate portfolio for which he’s shelled out more than $400 million.

  12. jan koum (@jankoum) / Twitter

    twitter.com/jankoum

    jan koum @jankoum · Mar 17, 2016 great video explaining how end-to-end encryption works: today.com Messaging app ‘WhatsApp’ butts heads with government over encryption The government's legal battle with Apple over access to an iPhone used by one of the San Bernardino shooters isn't the only dispute of its kind.