The band formed in February 1995. In 2006, the band went on hiatus. However, they announced a reunion on November 29, 2010 that later included tours in North America, Europe, and South America in 2011, and Australia in 2012.
All band members are of Armenian descent.
Guitar, Vocals: Daron Malakian
Drums: John Dolmayan (1997-Present)
Vocals, Keyboards, Rhythm Guitar: Serj Tankian
Bass: Shavo Odadjian
Drums: Ontronik "Andy" Khachauturain (1994-1997)