Category:Jan Koum

**Jan Koum**
	Ukrainian-born American entrepreneur, co-founder of WhatsApp
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Name in native language	Ян Кум;
Date of birth	24 February 1976; Kyiv
Start of work period	2009;
Country of citizenship	United States; Ukraine;
Residence	United States;
Educated at	San José State University;
Occupation	engineer; computer scientist; programmer;
Employer	Yahoo (1999–2009);
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	Q15737800; ISNI: ; VIAF cluster ID: ; Library of Congress authority ID: ; NLP ID: ; National Library of Poland MMS ID:
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