We are pleased to announce the next ISROI meeting which will take place on Friday, 6 March, 2026, in St. Gallen, Switzerland. Building on the success of previous meetings, ISROI 2026 will again provide a unique platform for discussing the latest developments in Radiation Oncology Informatics. The program will cover a broad spectrum of essential topics, including: The role of Data Science in Radiation Oncology Evolving challenges in IT Security and Cybersecurity The growing impact of Artificial Intelligence and Large Language Models (LLMs) Innovations in automation, system integration, quality assurance, and workflow optimization The meeting will bring together speakers and participants from across Europe to understand what is going on in radiation oncology informatics, exchange experiences and finally: socialize. For this reason, we are keeping the tradition of in-person-only meetings and are hoping to also see you at dinner after the event!