Matthew Soulier is an adult and child forensic psychiatrist in California. After completing his psychiatric training at Duke and Harvard in 2008, he was an Associate Professor of Psychiatry at UC Davis. Dr. Soulier is an expert in juvenile delinquency, specifically the assessment of severely violent youth. He has forensically evaluated over 100 juvenile homicide offenders and testified more than 500 times in multiple courts. His primary interest is the rehabilitative potential of a violent youth. During his tenure at UC Davis, he evaluated Daniel Marsh and consulted with his defense team. Dr. Soulier is now employed at an adult prison and continues a private forensic practice.