Mary Zimmer is a metal vocalist, voice actor and vocal coach specializing in distorted and/or extreme vocal techniques and sounds. She is the vocal coach for many well-known extreme metal vocalists, YouTubers and voice actors. Previously she has fronted bands signed to Century Media (Luna Mortis), Peaceville Records (White Empress) and AFM Records (Helion Prime). She is the host of the YouTube channel "Voicehacks" (over 100k Subs) and has been seen as a vocal coach on MTV. Audio samples and voice acting credits coming soon!