Alissa White-Gluz (/əˈliːsə ˈɡlʌz/;) is a Canadian vocalist, best known as lead vocalist of the Swedish melodic death metal band Arch Enemy, and former lead vocalist and founding member of the Canadian metal band the Agonist. Her vocal style includes both growling and clean vocals (singing). Although primarily associated with melodic death metal, she has appeared as a guest vocalist for power metal and symphonic metal bands, notably Kamelot and Delain, and has performed live with Nightwish and Tarja Turunen.