Stan Winston
Mahan was born and raised in Greenville, Michigan. After graduating from Greenville High School in 1981 he left for Hollywood. His first job was with Stan Winston Studios as a crew member working on "The Terminator" in 1983. There he worked as a creature effects supervisor. After Stan winston's passing he formed Legacy effects with three partners who were also his former colleagues at Stan Winston studios and this has now become the Leading VFX company in Hollywood