Daniel Alan Spitz (born January 28, 1963) is a three-time Grammy-nominated American musician best known for his work as the lead guitarist, principal songwriter and co-producer of the American heavy metal band Anthrax from 1983 to 1995 and from 2005 to 2007. More recently, Spitz has founded the Christian music group Red Lamb, the first to bring autism awareness into any genre of music or music video. Spitz has earned some of the most coveted Swiss and American degrees in watchmaking and micro mechanical engineering and is a global advocate for autism awareness.