Greg is currently the Bassist / Vocalist for Ted Nugent. Greg has also been the bassist, and backing vocals for such artists as Billy Joel, Alice Cooper, Ritchie Blackmore's Rainbow, Alan Parsons Project, Crystal Bowersox, Blue Oyster Cult, Dokken, Graham Bonnett, Over the Rainbow, Tommy James & the Shondells, The Turtles, Chuck Negron, Felix Cavaliere, Mitch Ryder, Denny Laine, Joey Molland, Vinnie Moore, Joe Lynn Turner, Van Helsing's Curse, O2'L and Wendy O. Williams. Greg was also the principal bassist and backing vocals for the Tony Award winning Billy Joel and Twyla Tharp musical "Movin Out" for it's entire 3 year run on Broadway and 1 year on the road.