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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

    5 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...

  3. 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.

  4. 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...

  5. 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...

  6. Jun 10, 2024 · 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 Facebook, the...

  7. Apr 24, 2017 · Roughly one in seven people on earth have Jan Koum, and his company WhatsApp, to thank for their ability to call and text their friends and family free of charge. Over one billion people use...

  8. 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...

  9. May 18, 2017 · The rags-to-riches story of WhatsApp cofounder Jan Koum, who grew up without running water and is now worth over $9 billion. May 18 2017 09:19 IST. Thelife 1 min read. For now, Koum seems...

  10. Feb 20, 2014 · In just five years, Koum and WhatsApp co-founder Brian Acton have created one of the world's largest messaging apps -- an app that Facebook just agreed to buy for $16 billion, plus an additional...