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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 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...
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...
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...
Nov 27, 2023 · Jan Koum has long-since left Meta, which acquired his startup WhatsApp in 2014, but it remains a top holding of his firm Newlands. Photograph by Robert Gallagher/The Forbes Collection
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...
Feb 20, 2014 · Jan Koum picked a meaningful spot to sign the $19 billion deal to sell his company WhatsApp to Facebook earlier today.