Guillaume Pousaz, founder of Checkout.com, has a fortune of $23 billion, according to Forbes magazine. Michael Buholzer Fotografie 2019, All Rights Reserved. Geneva-born entrepreneur Guillaume Pousaz and founder of the start-up Checkout.com has a net worth of $23 billion (CHF22 billion). His company, which is headquartered in London, has the highest market capitalization in the global fintech sector. Yet few members of the public have ever heard of this very private person. This content was published on December 1, 2022 - 09:00 Mary Vakaridis With his crisp white shirt, dazzling smile and athletic build, Guillaume Pousaz, 41, has all the...