Who Is Jan Koum?
Jan Koum is a Ukrainian-born American entrepreneur best known as the co-founder of WhatsApp, one of the world's most widely used messaging apps. He grew up in Ukraine before moving to the United States as a teenager, where he taught himself computer programming and later worked as a security tester and engineer.
Career and WhatsApp
In 2009, Koum co-founded WhatsApp with Brian Acton. The app focused on simple, reliable messaging and quickly gained users worldwide. In 2014, Facebook acquired WhatsApp for about $19 billion, making it one of the largest tech acquisitions in history. Koum joined Facebook's board and continued leading WhatsApp for several years before announcing his departure in 2018.
Net Worth and Legacy
Koum's net worth is largely tied to his WhatsApp shares and later investments. He has donated to causes related to education, digital privacy, and community support. His story is often studied as an example of how a focused product and long-term technical work can build a global communication platform.
