The AVS INTERNATIONAL SYMPOSIUM 2025, the 71st International Symposium of the American Vacuum Society (AVS), will be held September 21-26, 2025, at the Charlotte Convention Charlotte Convention Center in Charlotte, North Carolina, USA, from 21 to 26 September 2025. The theme of the symposium is “Engineering the Future: Collaborative Frontiers in Surface, Quantum, and Energy Sciences” and covers chemistry, physics, biology, mathematics, and all engineering disciplines, with a focus on cutting-edge issues related to materials, processing, and interfaces. The week-long conference will feature a large exhibition of relevant equipment, tools, materials, chemicals, services and technical literature. There will also be short courses, career workshops and a job search center to support attendees in their learning and career development.