Heyman is currently a member of South Florida Regional Planning Council (SFRPC); Board Member Florida Association of Counties (FAC); FAC Vice Chair Large Urban Counties (LUC); Board Member National Association of Counties (NACo); NACo Steering Committee for Large Urban Counties Caucus (LUCC); NACo Public Safety and Justice Committee; NACo Vice-Chair - Emergency Management and Domestic Security Committee; member National Homeland Security Consortium.
Heyman is currently a member of South Florida Regional Planning Council, Board Member of the Florida Association of Counties, FAC Vice Chair for Large Urban Counties, Board Member of the National Association of Counties, NACo Steering Committee for the Large Urban Counties Caucus, NACo Public Safety and Justice Committee, NACo Vice-Chair - Emergency Management and Domestic Security Committee, and a member of the National Homeland Security Consortium.