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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. 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.
1 day 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 in...
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...
6 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...
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
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 collected...
