Age: 46
Net worth: $780 million
Profession: Musician
Country: US
Music mogul Sean "Diddy" Combs founded Bad Boy Worldwide Entertainment Group in 1994 and established its flagship record label, Bad Boy Records, soon after, effectively launching his own hip-hop career and the careers of artists like Notorious BIG, Craig Mack, and Faith Evans.
Diddy serves as chairman of the company, now a part of Sony's Epic Records. It has sold a collective 400 million records and produced 38 platinum and multiplatinum singles since its inception.
He has also produced award-winning records and music videos for artists including Mary J. Blige, Jennifer Lopez, Mariah Carey, and Lil' Kim.
The entrepreneur's other ventures include his men's apparel label, Sean John; a multimillion-dollar co-ownership deal with the makers of Ciroc vodka; and co-ownership of Revolt TV and Media, a multiplatform music network.
3. Jerry Seinfeld
Age: 62
Net worth: $860 million
Profession: Actor
Country: US
Jerry Seinfeld made his stand-up debut in 1976 at the "Catch a Rising Star" open mic night. His career escalated when he landed spots on the "Tonight Show" with Johnny Carson and "Late Night with David Letterman."
His career-defining move came in 1989, when he and Larry David created his namesake smash sitcom, "Seinfeld." The show lasted nine seasons, and its season finale, at the time, was one of the most-watched season finales, with 76.3 million people tuning in.
In its last season, Seinfeld himself took home $1 million per episode. In 2014, it was estimated that the show has brought in $3.1 billion since entering syndication in 1995. In 2015, Hulu signed a licensing deal for $160 million to stream the show on its site.
Seinfeld is also president and owner of Columbus 81 Productions. He continues to perform his stand-up on tour, and his web series, "Comedians in Cars Getting Coffee," is currently in its eighth season.