 He began his career in 2001 after sending a demo to Mark Vos, also known as DJ Buzz Fuzz, director of BZRK Records.Vos liked the tape and signed Masseling, who then released his first EPs under the names "Menace II Society" and "Angerfist".Masseling soon gained popularity in the "gabber scene" because of the aggressive "nustyle" sound he made.