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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.
- Businessman
- 1994–present
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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
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
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.
1 day 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, education, milestones and assets on Bloomberg's website.
Feb 20, 2014 · Jan Koum picked a meaningful spot to sign the $19 billion deal to sell his company WhatsApp to Facebook earlier today.
May 18, 2017 · WhatsApp cofounder Jan Koum has certainly come a long way since his food stamp days. Now he's worth billions and is leading a key piece of Facebook's future.