About us. Savannah/Chatham County CASA is a small business in Savannah, GA. We are professional, agile, supportive and our goal is to The mission of Brightside Advocacy is to provide services to prevent child abuse and neglect by strengthening and supporting healthy family relationships. We believe in a community where every child is given the opportunity to thrive in a safe and loving home. In all we do, all team members embrace and demonstrate ...