John Peter Petrucci (born 12 July 1967) is an American guitarist best known as a founding member of the progressive metal band Dream Theater. He produced or co-produced, often with Mike Portnoy before Portnoy's absence from the band from 2010 to 2023, all of Dream Theater's albums beginning with "Metropolis Pt. 2: Scenes from a Memory" (1999). He has been the sole producer of the band's releases since "A Dramatic Turn of Events" (2011). Petrucci has also released two solo albums, "Suspended Animation" (2005) and "Terminal Velocity" (2020). Read more on