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 0.017236948013306s
fmsppl-page-output: 1x 0.010348081588745s
t_/pages/list-of-people: 1x 0.010318040847778s
router_page: 1x 0.0062670707702637s
list-of-people-content: 1x 0.0055069923400879s
t_/common/header: 1x 0.0050008296966553s
t_/blocks/list-of-people: 1x 0.0028419494628906s
t_/blocks/person-card: 1x 0.0027968883514404s
headline: 2x 0.0024290084838867s
qids: 2x 0.0011970996856689s
t_/common/footer: 1x 0.00026202201843262s
t_/common/head: 1x 0.00022602081298828s
head-facts: 1x 0.00020694732666016s
t_/blocks/switcher: 1x 2.6941299438477E-5s
related: 1x 4.0531158447266E-6s
using-qids-cache: 1x 9.5367431640625E-7s
----- END OF DUMP (2026-08-07 13:06:08)  -----