Karen Radius served on the Family Court bench from 1993 to 2017, including acting as the founding judge of both the Hawaii State Juvenile Drug Court and also the Girls Court. Girls Court is one of the first of its kind in the US created to address the challenges and needs of Hawaii girls in the juvenile justice system and their families.

Judge Radius has been and continues to be an avid supporter of innovative and impactful services for our youth.

She was recognized as Judge of the Year by the Hawaii State Judiciary and the Hawaii Women Lawyers. She has been recognized by the Hawaii State Bar Association, the Legal Aid Society and the City Council of Honolulu for her work for youth and Hawaii's families. She continues to volunteer for programs that maximize the potential of Hawaii's youth.