Given the facts, compose them into a coherent and fascinating story.
Facts: 
- PersonX was born in South Africa.
- PersonX spent most of his happy childhood playing with his friends.
- PersonX started learning programming only after college. 
- PersonX became a billionaire.
Entrepreneur PersonX has achieved great fame as the CEO of an international company. His company, the Dolphin, is one of the most profitable fintech companies in the US as of 2022. Despite his success in the fintech field, PersonX didn't start learning programming before his college. Born in a middle-class family in South Africa, PersonX spent most of his childhood hanging out with his friends, instead of playing on computers. "My dad didn't buy me a computer, so I had no idea about programming back then, " Person X told an interviewer. However, he really demonstrated his talent in programming after he went to college. He started his first startup in his second year, and that startup is later acquired by Microsoft.