Guillaume Pousaz, the 40-year-old Swiss Founder of UK-based fintech startup Checkout.com, is now worth $19.4 billion after his startup's latest $1 billion funding round at a $40 billion valuation.
Pousaz dropped out of college in 2005 after his father became ill with pancreatic cancer and later worked for a US firm.
He launched the online payments startup in 2012.