Patrick Collison

Known as one of the richest people under 35, Patrick Collison is a rich Irish businessman. Stripe, which he co-founded with his younger brother, John, in 2010, is his co-founder and CEO. The online payment gateway allows businesses and individuals to accept online payments.

While both Patrick and his brother John were attending MIT in Cambridge, they came up with the idea for Stripe. While the Collison brothers were on vacation in South America, Stripe received its first payment.

Age: 33

Net Worth: $9.5 Billion

Source of Wealth: Stripe

Country: Ireland