Karl joined the PbS coaching team in 2017 after a fulfilling 32 year career with the Connecticut Judicial Branch. He is an expert in the field of juvenile detention; including program design and evaluation, construction, operational and healthcare accreditation standards; and juvenile justice reform efforts. Karl has dedicated his life to improving the lives of adolescents involved in the juvenile justice system by providing technical assistance to agencies across the United States. Until 2017 Karl was responsible for managing the operations of the Judicial Branch Juvenile Residential Services Unit which included: high secure state juvenile detention facilities, a continuum of contracted Community Residential Programs, and a statewide Central Transportation Unit.

Karl has extensive knowledge and understanding of trauma-informed service, gender responsive programming, and Prison Rape Elimination Act (PREA) standards. He has presented trauma research at national healthcare conferences, and played an integral role in the development and implementation of Connecticut legislation; including the Raise the Age Initiative (2010), and passage of the Juvenile Justice Policy and Oversight Committee recommendations to continue juvenile justice reform in Connecticut (2016). He has traveled to Arkhangelsk, Russia where he presented on trauma research to faculty, students and researchers.

Karl has served as Vice President for the National Detention Association and serves on the Connecticut Juvenile Training School Advisory Board to the Commissioner of the Department of Children and Families.