Jan Koum
Ukrainian-born American entrepreneur, co-founder of WhatsApp · United States · Scientists · Born 1976 · age 50 · also Ukraine
Jan Koum is read about 849 times a day, in 33 languages.
A typical day, 30 days to 30 September 2026
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Something wrong?Jan Borysovych Koum is an American billionaire businessman and computer programmer. 3 billion. 2 billion as of October 2023, making him one of the richest people in the world. 1 billion.
Also in Deutsch
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About this person
Jan Borysovych Koum is an 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. According to Forbes, he has an estimated net worth of US$15.2 billion as of October 2023, making him one of the richest people in the world. Koum was ranked 44th on the Forbes' list of richest Americans in 2023 with a net worth of $15.1 billion.
Scientists from the United States 6
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