National Office & Staff Mailing/Shipping Address:PO Box 1705Oklahoma City, OK 73101-1705 Email: gro.a1750179782dca@p1750179782ihsre1750179782bmem1750179782Phone: (405) 232-8161 Hours of Operation:Monday – Friday8 am – 5 pm Central Meet our amazing team. Robyn HilgerExecutive Director Amanda BumgarnerPublications Editor Dennis CarpenterDirector of Membership Programs & Services Scott DavisIT Project Manager Adriana Garcia-BrownDirector of Finances Ron GrangerPublications Managing Editor KarenKegelmanDirector of Development Trina KopackaMembership Experience Manager Kelly PearsonMembership Experience Coordinator Elizabeth RoeweConference Manager Charles ShahRegion and State Accountant