In the early 1970s Jefferson joined the Army and completed a three-year tour in Kaiserslautern, Germany where he would ultimately meet saxophonist Norwood "Pony" Poindexter.

[3] After his participation in the tour ended, he went on to collaborate with dozens of musicians, including James Brown,[4] rappers Public Enemy, hip-hop artist L.L.

Jefferson also joined Frank Foster's jazz ensemble Living Color: 10 Shades of Black as well as Slide Hampton's World of Trombones.

[5] Jefferson currently acts as executive director of A Sign of the Times of the Carolinas, a non- profit organization focused on reaching out to the community through music and educational programs that reflect the heritage of African Americans.

They both host the weekly Saturday Night R&B House Party[9] on Gaston College Radio and act as the producers of The State of Black Music on public access TV.