John Petrucci
 John Peter Petrucci (born July 12 1967) is an American guitarist and composer. He is best known as a founding member of the progressive metal band Dream Theater. With his former bandmate Mike Portnoy he has produced all Dream Theater albums since their 1999 release Metropolis Pt. 2: Scenes from a Memory until their 2009 release Black Clouds & Silver Linings and also produced alone their 2011 release A Dramatic Turn of Events and 2013's Dream Theater.