National CASA Association National CASA Association was conceived by a Seattle judge with the idea of using trained community volunteers to speak for the best interests of children in court. So successful was this Seattle program that soon judges across the country began utilizing citizen advocates. Today more than 900 CASA programs are in operation, with 70,000 women and men serving as CASA volunteers. CASA is an acronym for Court Appointed Special Advocate. The 11th Judicial Circuit Guardian Ad Litem Program is a member of the National CASA Association. To learn more about them, please click here for their website.