Trey D.

Keith McGuffey was born on April 10, 1972 in Danville, Kentucky, to his mother, a bakery worker, and father, a taxi driver. He's the youngest of four older sisters, who named him after Keith Partridge of the TV series The Partridge Family in 1972. As a kid, he was known for break-dancing skills. To this day, he can still windmill. He started writing songs when he was only nine years old.[2] His musical influences include L.L. Cool J, New Edition and old-school R&B when he was younger, his first concert was Van Halen and even met best friend Kevin Scott Richardson when he was 12 in 1985 at Cathedral Domain Camp, a church-owned youth camp his father ran. they both played piano and wrote their first song together, some of which were eventually used for the Backstreet Boys' first demos. they have been best friends ever since. After graduating high school, he attended the University of Kentucky for two years, then joined the U.S. Navy and was stationed in Little Creek, VA. After served in the U.S. Navy, He went back to college and graduated summa cum laude with a Bachelor of Science in Business Administration-Management.

McGuffey started working as the manager of a TCBY store before He got his record deal when after Kevin invited him down to Orlando for a visit.[3] When he got down there, he auditioned for the Transcontinental Records folks and got a record deal. While perfecting his act, Keith working and toured Europe for the Backstreet Boys in 1995 as a bodyguard and working as a recording artist in the 1990s under his stage name Trey D. As Trey D., he opened up for the Backstreet Boys and NSYNC on some of their first tours. He wrote and performed all of his own songs, including his singles, which were very successful in Europe and Asia. He even wrote AJ's rap on the band's hit single "Get Down (You're the One for Me)" and Aaron Carter's album (Get Wild). He once lived in Germany and considers it as his second home.

McGuffey has been married to Julie, an IP and attorney, since December 30, 2001. The couple have two children, Kylie (b. June 6, 2002) and Connor Jackson (b. June 22, 2004).[4]