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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. 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.

    • Businessman
    • 1994–present
  2. www.forbes.com › profile › jan-koumJan Koum - Forbes

    1 day ago · Learn about Jan Koum, the self-made billionaire who cofounded WhatsApp and sold it to Facebook for $22 billion in 2014. See his net worth, philanthropy, education, and personal life on Forbes.

    • CEO, Cofounder
  3. May 1, 2018 · May 1, 2018 10:48 AM. The inside story of Jan Koum and how Facebook bought WhatsApp. In 2014, as Facebook was secretly preparing to buy WhatsApp for $19 billion, WIRED profiled founder Jan...

    • David Rowan
  4. Feb 28, 2022 · Learn how Jan Koum, a Ukrainian immigrant and a former janitor, became a billionaire by building a messaging app that served millions of people. From escaping Communism to joining tech giants, from starting a business with his partner to scaling it to success, Koum's story is one of inspiration and innovation.

  5. Jun 15, 2022 · Jan Koum, the inventor of WhatsApp and a Ukrainian-born Jew, has become one of the largest donors to Jewish organizations in the world, according to tax returns. He has given millions of dollars to Chabad-affiliated groups in Eastern Europe and the US, where he has a personal connection and a history of support.

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

  8. Koum, a Ukrainian immigrant who had just begun attending classes at San Jose State University, and Acton, a Stanford-educated programmer, met while Acton was working for Internet pioneer Yahoo! in 1997. Koum was soon offered a job with the Mountain View, California-based company,….

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