Jan Koum
$17.1B
Born
Feb 24, 1976
Age
49
Source of Wealth
WhatsApp
Residence
Atherton, California
Citizenship
United States
Marital Status
Single
Children
0
Education
Drop Out, San Jose State University
- Jan Koum cofounded WhatsApp, now the world's biggest mobile messaging service, in 2009.
- Facebook bought the startup for $22 billion in cash and stock in 2014.
- He resigned as CEO of WhatsApp in 2018 and announced he would leave Facebook's board as well.
- Koum worked at Yahoo for nearly nine years before leaving to found WhatsApp.
- Now, he invests through his firm Newlands, which holds nearly 10 million shares of Facebook's parent company Meta and is building a portfolio of startups.
- Koum immigrated to California from Ukraine with his mother at age 16 and swept floors to make ends meet.
- Koum signed the deal to sell WhatsApp to Facebook in an abandoned building where he once collected food stamps as a teenager.
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