Jeff is currently the bassist for Foreigner. He joined the band in 2004. He was also a member of melodic metal bands Dokken, Dio and MSG. Additionally, he played in the band Wild Horses which also featured drummer James Kottack (Scorpions, Kingdom Come), guitarist Rick Steier (Kingdom Come, Warrant), and singer John Levesque. He formed his own progressive metal group called War and Peace in 1989, handling all of the vocals, along with his instrumental work. He has also acted, having appeared in the movie Rock Star. He played bassist Jorgen, of the fictional band Steel Dragon. The film also featured performances by musicians such as Zakk Wylde, Jason Bonham, Myles Kennedy, Brian Vander Ark, Blas Elias and Nick Catanese. He played in the film’s soundtrack and served as Musical Director for the film. His latest project is the band Revolution Saints who recently released an album.