2025 By DIO's For DIO's NADIO 2025 By DIO's For DIO's The NADIO 2025 Annual Meeting will be held December 7-9, 2025 in St. Louis, MO. SAVE THE DATE REGISTRATION Expand REGISTRATION COMING SOON HOTEL Expand Marriott St. Louis Grand 800 Washington Avenue, St. Louis MO 63101 The group housing rate is not open. PROGRAM SCHEDULE Expand TBD SPONSORSHIP OPPORTUNITIES Expand Sponsorship opportunities for the 2025 Fall Annual Meeting are currently unavailable. CONTINUING EDUCATION Expand TBD DOWNLOAD OUR CONFERENCE APP! Expand Our 2025 Conference App will be powered by Whova. Stay tuned for more details coming soon!