Jan Koum

Jan Koum
Ян Кум
Koum (2014)
Born (1976-02-24) February 24, 1976
Kiev, Ukrainian SSR, Soviet Union (now Kyiv, Ukraine)
EducationSan Jose State University
OccupationBusinessman
Years active1994–present

Jan Borysovych Koum (born 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. 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.

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