An opening presentation will be led by Wayne Campbell of Tylerâs Light Foundation, followed by a panel discussion. Panelists include Barry Staubus, District Attorney, Sullivan County; Cynthia Thomas, DO, MPH, Preventive Medicine and Public Health Physician, Tennessee Department of Health; Alisha Singley, Investigations Coordinator Northeast Region, Department of Childrenâs Services; Christina Keen, Lead Investigator, Sullivan County Department of Childrenâs Services; Julie Malone, Principal, Cora Cox Academy; and Hope Bruner, Counselor, Frontier Heath.