John Collison, is an Irish entrepreneur, and is best known for having co-founded Stripe, a US technology company operating in over how many countries, that allows both private individuals and businesses to accept payments over the Internet?
John Collison:  He is best known for having co-founded Stripe with his brother, Patrick. Stripe (company): Stripe is a US technology company operating in over 25 countries, that allows both private individuals and businesses to accept payments over the Internet.
25