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

    Jan Borysovych Koum[a] (born February 24, 1976 [1]) 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.

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    • Jan Koum Biography - Facts, Childhood, Family Life & Achievements
    • Jan Koum Biography - Facts, Childhood, Family Life & Achievements
    • WhatsApp CEO Jan Koum on the future - Business Insider
    • WhatsApp's Billionaire Founder Jan Koum Leaves to 'Work on Cars, Play ...

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

    3 days ago · 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...

    • CEO, Cofounder

  4. www.cnbc.com › 2017/04/24 › how-whatsapp-founder-jan-koum-wentHow WhatsApp founder Jan Koum went from welfare to billionaire

    Apr 24, 2017 · Learn how Jan Koum, the co-founder and former CEO of WhatsApp, immigrated from Ukraine, worked as a janitor, and became one of the richest men in the world. See his infographic journey from poverty to success.

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  6. www.wired.com › story › whats-app-owner-founder-jan-koum-facebookThe inside story of Jan Koum and how Facebook bought WhatsApp

    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 WhatsApp...

    • David Rowan

  7. leaders.com › articles › leaders-storiesJan Koum: The Inspirational Story of the Founder of WhatsApp -...

    Feb 28, 2022 · As a Ukrainian immigrant who escaped the U.S.S.R., he moved to the United States, met even more extreme poverty, but still managed to build a billion-dollar company within five years. For entrepreneurs and business leaders, Jan Koum’s story serves as inspiration.

  8. www.bloomberg.com › billionaires › profilesBloomberg Billionaires Index - Jan Koum

    2 days ago · Overview. Koum is a co-founder and former chief executive of WhatsApp, a messaging app that is used by more than 2 billion people in over 180 countries. The app was launched in 2009 and sold to...

  9. www.businessinsider.com › whatsapp-ceo-jan-koum-rags-toJan Koum: How the WhatsApp Cofounder Went From Food Stamps to ...

    May 18, 2017 · WhatsApp cofounder Jan Koum. Reuters. Koum now leads a team of around 100 people working on WhatsApp, which is used heavily in developing countries like India and Brazil. And he sold over half of...