National Office & Staff Mailing/Shipping Address:PO Box 1705Oklahoma City, OK 73101-1705 Email: gro.a1775028447dca@p1775028447ihsre1775028447bmem1775028447Phone: (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