John Petrucci is a founding member and guitarist for the progressive metal band - Dream Theater, he has also been involved as one time member of - Liquid Tension Experiment with his Dream Theater bandmates, Mike Portnoy, and Jordan Rudess. Petrucci was educated at the Berklee School of music, and has also been on the infamous G3 tour along with fellow guitar virtuosos - Joe Satriani and Steve Vai.
