Armenian-American heavy metal singer and activist who sang lead vocals in the band System of a Down and who has pursued a solo career.
He moved to America from Lebanon at the age of seven and developed an interest in music and songwriting early on in his life.
He released three solo albums, Elect the Dead in 2007, Imperfect Harmonies in 2010, and Harakiri in 2012.
He married Angela Madatyan in 2012. He has a son named Rumi Tankian Madatyan.
He defeated Trent Reznor and Nine Inch Nails for the 2006 Best Hard Rock Performance Grammy Award.