Theo has been active as a composer and performer, scoring TV shows and movies and lending his skills to many rock, blues and jazz groups throughout southern California. He has produced three CDs as a jazz pianist: "One Man's Dream", "Newport Nights", and "Time to Think" (2013). He has also produced several other artists from his Southern California Studio. Theo has written and produced some of smooth jazz's top songs and performed with some of its brightest stars. He has recorded and/or played live with Jeff Kashiwa, Steve Oliver, Dave Hooper of the Rippingtons, Tony Guerrero, Rob Mullins, Juan Carlos Quintero, Brian Hughes, Jimmie Haslip and Will Kennedy from the Yellow Jackets.