Roy Leaford Hamilton III (born in Queens, New York) is an American Pop and R&B songwriter, record producer, and musician. Collectively, these skills and abilities have helped to sell over 70 million albums worldwide.

Hamilton scored his first Number 1 Billboard Hot 100 hit when he co-wrote and co-produced "Stutter" for Multi-platinum R&B singer Joe. In 2002, Hamilton Executive Produced the Keith Sweat album Rebirth which debuted at No. 7 on the Billboard R&B Charts. Working largely with his brother Raphael "Riffraph"Hamilton & Anthony M. Jones, Hamilton has been working with other acts such as Michael Jackson, Britney Spears, Pras Michel & 'NSYNC.

In 2004, Roy was hired as the Director of A&R for Capitol Records in Hollywood, California becoming the youngest African-American record label executive in the history of the company. During his years at Capitol Records he assisted Andy Slater & Steve Prudholme in signing and releasing many acts including MIMS & J. Holiday. He is also the grandson of the legendary R&B singer Roy Hamilton Sr. In 2006 Hamilton was hired by long-time friend Adrienne Bailon as Musical Director for her Cheetah Girls 2 summer world tour. That tour is their highest grossing tour to date. Most recently he has co-produced "Last Time", the third single from Canadian pop star George Nozuka's smash hit first album, Believe. "Last Time" peaked #1 on the Much Music DAILY 10 after only being released a few months before. Hamilton and Pras Michel of the legendary group The Fugees recently joined forces to develop his latest project "Im A Hipstar" which is produced by and features Hamilton.

In 1997, R. Kelly began to play semi-professional basketball in Atlantic City, New Jersey. Hamilton went to one of the basketball games and gave Mr. Kelly his demo. A few months later Kelly signed Hamilton to a production deal. Kelly moved Hamilton to Chicago, Illinois where Hamilton worked on several of Kelly's projects. In 2001 Hamilton began to study under Teddy Riley crafting a #1 Pop Smash "Stutter" and working on "Shout" for Michael Jackson. In 2004 During a two-week period in Los Angeles, Hamilton & Britney Spears worked closely for In the Zone album. Hamilton wrote and produced the song "I Got That Boom Boom". Since 2002 Roy has also been instrumental in developing songwriters, as well as producers, like Tommy Brown ("Just Can't Get Enough", The Black Eyed Peas), Rob A! ("Disturbia" -Rihanna) and The Jackie Boyz ("Eenie Meenie" -Justin Bieber).

In 2006 Hamilton worked closely with Kenneth "Babyface" Edmonds. Babyface showed him many tricks of the trade during that year. In 2008 Hamilton was a new mentor with a new joint venture. His joint venture was with Asylum Records/Warner Music Group. The first artist to be launched from the label was Cene. He also worked closely with Pras Michel.