In a career spanning more than 40 years, he has worked with some of the biggest recording artists, including John Lennon, Billy Joel, Roxy Music, Mick Jagger, Pete Townshend, Paul McCartney, Paul Simon, Kiss, Gene Simmons, Michael Jackson, Brecker Brothers, Hall & Oates, Cyndi Lauper, Harry Chapin, Joe Jackson, Charlie Watts, Dire Straits, Bryan Ferry, Diana Ross, Grace Slick, John McLaughlin, Gladys Knight, Debbie Harry, Michael Franks, Bob James, David Sanborn, Brigitte Zarie, Carly Simon, Janis Ian, Nils Lofgren, Eddie Van Halen, Mike Oldfield and tenor Luciano Pavarotti.

He has also worked on countless hit commercials and movies as a composer in New York City.

[3][4] Neil Jason has identified his influences as a combination of his school training on trumpet, saxophone, and piano (giving his fingers strength and dexterity).

Bands who influenced him included Chase, Dreams and Chicago, and the musicians who influenced him included James Jamerson, Bob Babbitt, Larry Graham and Sly Stone.

[3] In 1998, he married Canadian-born American singer, songwriter and composer Brigitte Zarie.