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 0.017873048782349s
fmsppl-page-output: 1x 0.013478994369507s
t_/pages/list-of-people: 1x 0.01344895362854s
t_/common/header: 1x 0.0068588256835938s
router_page: 1x 0.0037930011749268s
t_/blocks/list-of-people: 1x 0.0037121772766113s
t_/blocks/person-card: 1x 0.0036721229553223s
list-of-people-content: 1x 0.0031399726867676s
headline: 2x 0.0024008750915527s
t_/common/footer: 1x 0.00035309791564941s
t_/common/head: 1x 0.00029802322387695s
head-facts: 1x 0.00027704238891602s
qids: 2x 0.00021195411682129s
t_/blocks/switcher: 1x 1.5974044799805E-5s
related: 1x 3.0994415283203E-6s
using-qids-cache: 1x 0s
----- END OF DUMP (2026-07-16 00:29:07)  -----