Matthias started his career as a studio guitarist for bands such as Quincy Jones and Sheila E. but changed his musical course after listening to dance music. He established the undefined label, along with Sven Väth and Heinz Roth, which was one of the first trance labels in the world. As a producer he works under the names of A.C. Boutsen, Brainchild, Vernon, Zyon, Odysee Of Noises, Metal Master and Cygnus X. After leaving Eye Q Matthias started his own production company called Schallbau together with Steffan Britzke and Ralf Hildenbeutel.