Founded the social networking website Facebook at age twenty, and took the company public in 2012.
He was a member of his high school fencing team, and he later went on to Harvard.
He became the world's youngest billionaire after founding a hugely popular social media site in 2004, which continued to grow.
He married long time girlfriend Priscilla Chan in 2012.
Jesse Eisenberg portrayed him in The Social Network, a film about the founding of Facebook.
