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Jan Koum
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Jan Koum

Ukrainian-born American entrepreneur, co-founder of WhatsApp

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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.

Quick facts

Born
wd
Place of birth
Kyiv wd
Citizenship
United States, Ukraine wd
Occupation
engineer, computer scientist, programmer wd
Education
San José State University wd
Social media
X (Twitter) · Facebook · Instagram wd

Questions

When was Jan Koum born?
Jan Koum was born on 24 February 1976 in Kyiv.
Where did Jan Koum study?
Jan Koum was educated at San José State University.

Sources

  1. Wikipedia (English): Jan Koum · CC BY-SA 4.0
  2. Wikidata item Q15737800 · CC0 1.0
  3. Image: Jan Koum - Whatsapp - 4 Years from Now (12791847664).jpg by Tech.eu Photostream (CC BY 2.0)

Last updated · facts checked 4 November 2026

Cite this page

"Jan Koum". DigiNepal. Last updated 30 October 2026. https://diginpl.com/people/jan-koum. Retrieved 4 November 2026.

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Text from the Wikipedia article Jan Koum, licensed under CC BY-SA 4.0. This page's text is shared under the same licence. Facts from Wikidata (CC0). Image: Jan Koum - Whatsapp - 4 Years from Now (12791847664).jpg — Tech.eu Photostream, CC BY 2.0.

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