Portrait of Guillaume Pousaz

Rank #478

Guillaume Pousaz

Net worth $7.8B

Fintech · Switzerland

Born
Aug 15, 1981
Age
44
Source
Fintech
Residence
London
Citizenship
Switzerland
Marital status
Married
Children
3
Education

Net worth over time

Biography

  • Guillaume Pousaz founded Checkout.com in 2012 to solve the problem of online payment processing for shops and shoppers around the world.
  • In January 2022, Checkout.com raised $1 billion from private investors, valuing the company at $40 billion.
  • In December 2022, Checkout.com marked down its internal valuation to $11 billion, as fintech valuations tumbled during the year; a year later it was lowered to $9.35 billion. In 2025, it rose to $12 billion, according to the company.
  • Pousaz, who is CEO of Checkout.com, owns an estimated nearly two-thirds of the London-based company.
  • The Swiss citizen dropped out of college to go surfing in California before working in fintech and payments.
  • He is known for his obsession with endurance athletics and lives in London with his family.