A profile of Checkout.com founder and CEO Guillaume Pousaz, who owns 60% of the $40B London-based payments company and has begun investing in fintech startups (Ivan Levingston/Bloomberg)

Ivan Levingston / Bloomberg:
A profile of Checkout.com founder and CEO Guillaume Pousaz, who owns 60% of the $40B London-based payments company and has begun investing in fintech startups  —  A college dropout from Switzerland has amassed a $14 billion fortune to become one of the country's richest people by creating a rising star in electronic payments.