List of Famous people with last name Koum

Jan Koum

First Name Jan

Last Name Koum

Born on February 24, 1976 (age 50)

Born in Ukraine

Net Worth $9.9B

Billionaire

Jan Koum is a Ukrainian American billionaire entrepreneur and computer programmer. He is the co-founder and was the CEO of WhatsApp, a mobile messaging application which was acquired by Facebook Inc. in February 2014 for US$19.3 billion.

Know him/her

Don't know him/her

    index: 1x 0.033560037612915s
fmsppl-page-output: 1x 0.02728009223938s
t_/pages/list-of-people: 1x 0.027245998382568s
t_/blocks/list-of-people: 1x 0.019300937652588s
t_/blocks/person-card: 1x 0.019222974777222s
router_page: 1x 0.0056021213531494s
t_/common/header: 1x 0.0053629875183105s
list-of-people-content: 1x 0.0048651695251465s
headline: 2x 0.0023128986358643s
qids: 2x 0.0009608268737793s
t_/common/footer: 1x 0.00031685829162598s
t_/common/head: 1x 0.00022315979003906s
head-facts: 1x 0.00020098686218262s
t_/blocks/switcher: 1x 1.4066696166992E-5s
related: 1x 2.8610229492188E-6s
using-qids-cache: 1x 1.9073486328125E-6s
----- END OF DUMP (2026-04-15 03:38:04)  -----