Dr. Fretz has worked with a variety of population including children, juvenile and adult offenders, psychiatric inpatients, and sex offenders. Dr. Fretz’s work has been published in a number of journals, including Corrections Compendium, Criminal Justice and Behavior, Journal of Community Corrections, and Corrections Today. Dr. Fretz has presented at national and international conferences on a variety of topics, including Assessment Centers, Alternatives to Incarceration, and Risk-Need-Responsivity Principles. Dr. Fretz is currently licensed in New Jersey and Florida. He is Board Certified in Couple and Family Psychology through the American Board of Professional Psychology. Dr. Fretz has been certified as an expert witness in family and criminal court.