Dear Colleagues, On behalf of the PTCOG Executive Committee and the Local Organizing Committee, it is our great pleasure to invite you to Deauville, Normandy, France, for the 64th Annual Conference of the Particle Therapy Cooperative Group (PTCOG 64), taking place from 8-13 June 2026. Deauville, nestled along the historic and scenic Normandy coast, offers an inspiring setting to connect, collaborate, and continue to push the boundaries in the field of particle therapy. Known for its seaside charm and rich cultural heritage, this iconic French town will provide a warm and engaging backdrop for our global community. Our theme, “Waves of Innovation: Advancing Particle Therapy Together,” celebrates the dynamic progress in our field and the shared efforts driving its future. With exciting developments in technology, clinical applications, biology, and global access, this conference will explore breakthroughs and shape the next chapter in particle therapy. Time: 8:00 AM - 4:00 PM Venue Details: CID | Deauville Convention Center, 1 Rue Lucien Barriere, Deauville, Normandy, 14800, France