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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

    Jun 18, 2024 · 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...

  3. 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...

  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 · 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 text...

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

    5 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...

  6. www.jta.org › 2022/06/15 › united-statesWhatsApp’s reclusive founder has quietly become a megadonor to...

    Jun 15, 2022 · Jan Koum, who controls a multi-billion-dollar charitable foundation, has not uttered a public word even as many other wealthy Ukrainians and Russians announce donations toward...

  7. www.forbes.com › sites › parmyolsonBest Stories Of The Decade: “The Rags-To-Riches Tale Of How Jan...

    Dec 23, 2019 · After Jan Koum, a Ukrainian immigrant who came to America with his mother, agreed to sell WhatsApp to Facebook for $19 billion, he took the contract to the welfare office where he once...