Ms. Cassell is a graduate of Georgetown University Law School. She has been the Summit County Chief Prosecutor since July 2016. Prior to that she worked in the Salt Lake County District Attorney's Office for 11 years where she was a supervising attorney for six years. She has prosecuted many high-profile cases including numerous homicide cases involving adult and juvenile offenders. Her practice with the Summit County Attorney's Office focuses on district court and juvenile court prosecution. Trish is a board member of the Utah Board of Juvenile Justice, the Utah Juvenile Justice Oversight Committee, the Utah Sentencing Commission, and the Statewide Association of Prosecutors.