Who were the founders of WhatsApp?

WhatsApp was founded by Jan Koum and Brian Acton. They co-founded WhatsApp together in 2009. Jan Koum was the CEO of WhatsApp, and Brian Acton played a significant role in its early development and growth. WhatsApp quickly gained popularity for its simple messaging platform and eventually became one of the most widely used messaging apps worldwide before it was acquired by Facebook in 2014.