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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.
Learn about Jan Koum, the self-made billionaire who cofounded WhatsApp, the world's biggest mobile messaging service, and sold it to Facebook for $22 billion in 2014. See his net worth, philanthropy, biography, and quotes.
- CEO, Cofounder
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
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.
6 days ago · Jan Koum is a co-founder and former CEO of WhatsApp, a messaging app sold to Facebook for $22 billion in 2014. See his net worth, biography, milestones, latest news and more on Bloomberg's ranking of the world's richest people.
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...
Jan 19, 2018 · Jan Koum, co-founder and CEO of Facebook ’s WhatsApp messaging service, says the idea for the company he co-founded with Brian Acton in 2009 came about so he could stop missing...