Jan Koum Net Worth
Estimated net worth (2026)
$17 billion
Who is Jan Koum?
Jan Koum is an American entrepreneur and computer programmer best known as the co-founder of WhatsApp. He built his immense wealth by developing the mobile messaging application that became a global phenomenon. In 2014, WhatsApp was acquired by Facebook for a significant sum, establishing Koum as one of the world's wealthiest individuals. As a former CEO, Koum played a crucial role in shaping the company’s growth and success. Today, his fortune is estimated to be in the tens of billions of dollars, reflecting the massive financial success derived from his foundational work in the technology sector.
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Compare your net worth →Net worth figure (2026) sourced from Forbes; biography adapted from Wikipedia. Net worth figures are estimates and may vary by source.