Line-up
John Petrucci
Gitara, Chórek
John Petrucci, ex-G3, ex-Jordan Rudess, ex-Majesty (USA-2), Derek Sherinian, Liquid Tension Experiment
John Myung
Gitara Basowa
ex-Gordian Knot, Platypus, The Jelly Jam, ex-Majesty (USA-2)
Kevin James LaBrie
Wokal
Explorer's Club, Mullmuzzler, Winter Rose
Jordan Rudess
Klawisze
Jordan Rudess, ex-Steven Wilson, Liquid Tension Experiment, ex-John Petrucci
Mike Mangini
Perkusja
ex-Extreme (USA), Tribe Of Judah, Tim Donahue's Madmen And Sinners, Mullmuzzler, ex-James LaBrie, ex-Daniel Piquê, ex-Steve Vai, Ethan Brosh
Byli członkowie
Mike Portnoy
Perkusja, Chórek,
1985 - 2010
SA Adams, Neal Morse, John Petrucci, Andy West With Rama, Transatlantic, Flying Colors, ex-Office Of Strategic Influence, ex-Avenged Sevenfold, John Arch, The Winery Dogs, Hail (USA-2), Portnoy Sheehan Macalpine Sherinian, ex-Adrenaline Mob, ex-Majesty (USA-2), Bigelf, Metal Allegiance, Twisted Sister, Sons Of Apollo, Liquid Tension Experiment
Derek Sherinian
Chórek, Klawisze
1994 - 1999
ex-All Too Human, Theodore Ziras, John Sykes, ex-Section A, Tony Smotherman, ex-Brad Gillis, ex-Condition Red, Black Country Communion, Platypus, Jughead, Agah Bahari, Planet X, ex-Nathan Frost, Portnoy Sheehan Macalpine Sherinian, ex-Yngwie Malmsteen, Sons Of Apollo, Derek Sherinian
Kevin Moore
Klawisze
1986 - 1994
Chroma Key, Office Of Strategic Influence, ex-Majesty (USA-2), ex-Alberto Rigoni
Charlie Dominici
Wokal
1987 - 1989
Dominici, ex-Majesty (USA-2)
Chris Collins
Wokal
1986 - 1987
Oblivion Knight
