Jan Koum is best known as the co-founder and former CEO of WhatsApp, with a net worth Forbes pegs at $16.9 billion. Outside of entrepreneurship, Koum is also known for his philanthropic work through the Koum Family Foundation. The foundation primarily supports Jewish and Israel-related causes. It also funds education and research, healthcare, and community support initiatives. A comparison between 2023 and 2024 foundation filings shows a sharp jump in revenue and a narrower net loss. In 2023:
- Expenses: $103 million
- Net income: -$75 million
- Net assets: $2.28 billion
- Revenue: $27 million
Shift in 2024:
- Expenses: $125 million
- Net income: -$61 million
- Net assets: $3.22 billion
- Revenue: $64 million.
In the 990 filing for fiscal 2024, the foundation reported several streams of revenue. Of the $64 million total, $21 million came as a direct contribution from Jan Koum, a non-cash donation in the form of roughly 36,000 shares of Meta Platforms stock. An additional $27 million came from net gains on the sale of a stake in Newland Philanthropic, an entity focused on supporting charities that fund education, health, and community initiatives. The remainder of the $64 million came from $5 million in interest on savings and $9 million in dividends from securities.


