Ahli terkini

• Serj Tankian – lead vocals, keyboards, rhythm guitar (1994–present)
• Daron Malakian – lead guitar, co-lead vocals (1994–present)
• Shavo Odadjian – bass, backing vocals (1994–present)
• John Dolmayan – drums (1997–present)

Bekas ahli

• Andy Khachaturian – drums (1994–1997)

Ahli sesi

• Arto Tunçboyacıyan – percussion, composition (on Toxicity: "Science" and "ATWA". Steal This Album!: "Bubbles". Some live concerts in 2005, 2013)[3]

Garis masa