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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.
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
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
4 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.
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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.
