Jan Koum
Emigrated from Ukraine at 16 and lived on food stamps; sold WhatsApp for $19B two decades later.
Jan Koum was born in 1976 in Kyiv, Ukraine. Jan Koum's background is described as Ukrainian Jewish; emigrated to the US at 16. Growing up, the family was working class — construction-manager father, homemaker mother; a village house with no hot water. His father never made it to the US. Emigrated from Ukraine at 16 and lived on food stamps; sold WhatsApp for $19B two decades later.
- Born
- 1976 · Kyiv, Ukraine
- Roots
- Ukrainian Jewish; emigrated to the US at 16
- Family
- Working class
- Construction-manager father, homemaker mother; a village house with no hot water. His father never made it to the US.
- Education
- San Jose State University (dropped out)
- Started with
- Food stamps
- The family arrived in Mountain View in 1992 and relied on public assistance.
- Affiliations & societies
- None documented.
- Information only — claims like these are often unverifiable and may be wrong.
The pathway
- 1992 · age 16Emigrates to Mountain View
With his mother and grandmother; food stamps, a mop-up job at a grocery store.
- 1997 · age 21Yahoo engineer
Hired after meeting Brian Acton; works on infrastructure for nine years.
- 2009 · age 33Rejected by Facebook
Both he and Acton apply for jobs and are turned down.
- 2009 · age 33Founds WhatsApp$250K
Acton joins and brings seed money from ex-Yahoo friends.
- 2014 · age 38Facebook buys WhatsApp$19B
He signs the papers on the door of the building where he once collected food stamps.
- 2018 · age 42Leaves Facebook
Departs amid reported disagreements over privacy and encryption.
Frequently asked questions
Where is Jan Koum from?
Jan Koum was born in 1976 in Kyiv, Ukraine. Their background is described as Ukrainian Jewish; emigrated to the US at 16.
When was Jan Koum born?
Jan Koum was born in 1976, in Kyiv, Ukraine.
What is Jan Koum's background or ethnicity?
Jan Koum's roots are described as Ukrainian Jewish; emigrated to the US at 16. These are broad categories drawn from public sources, not statements about how the person identifies.
Where did Jan Koum go to school?
Jan Koum's education: San Jose State University (dropped out).
What was Jan Koum's family background growing up?
At birth the family was working class. Construction-manager father, homemaker mother; a village house with no hot water. His father never made it to the US.
How did Jan Koum get started?
Jan Koum started with food stamps. The family arrived in Mountain View in 1992 and relied on public assistance.
Sources
Compiled from these references and contemporaneous press reporting. Figures are approximate; verify before relying on them.