Jan Koum

Jan Koum
Jan Koum
Ян Кум
	Koum in April 2013
Born	February 24, 1976 (age 48); Kiev, Ukrainian SSR, Soviet Union (now Kyiv, Ukraine)
Occupation	Businessman
Years active	1994–present

Jan Borysovych Koum^[a] (born February 24, 1976^[1]) 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.^[2] Koum was ranked 44th on the Forbes' list of richest Americans in 2023 with a net worth of $15.1 billion.^[3]

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^ "The CNBC Next List: Jan Koum". CNBC. October 6, 2014.
^ "Forbes profile: Jan Koum". Forbes. Retrieved May 20, 2022.
^ "Forbes 400 2023 profile: Jan Koum". Forbes. October 2023. Retrieved October 9, 2023.

[2] "The CNBC Next List: Jan Koum". CNBC. October 6, 2014.

[3] "Forbes profile: Jan Koum". Forbes. Retrieved May 20, 2022.

[4] "Forbes 400 2023 profile: Jan Koum". Forbes. October 2023. Retrieved October 9, 2023.

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