In 1978 he played on Paul Stanley's debut album, followed by working on albums by Richie Havens, Michael Bolton, Arc Angel, Bon Jovi and his band Balance featuring Bob Kulick and Chuck Burgi.
He also composed the opening theme for the TV series The Tick and Bucky O'Hare and the Toad Wars,[2] as well as music for the movie Who Do I Gotta Kill?
[3] Katsaros has worked with some of the biggest names in music history such as Cher, Rod Stewart, Sinéad O'Connor, Gloria Estefan, Judy Collins, Elton John, Aerosmith, Marlo Thomas, Sarah Jessica Parker, Robin Beck, Shania Twain, B.B.
King, Diane Schuur, Liza Minnelli, Todd Rundgren, Tim Rice, Russ Irwin, Peter Frampton, Alejandro Fernández, Christina Aguilera, as well as Peter, Paul and Mary.
[4] Together with Richie Kotzen, Billy Sheehan, Dee Snider, Glenn Hughes, Devin Townsend, Geoff Tate, Bob Kulick and others he recorded the album SIN-Atra (2011).