The Division of Radiation Oncology, Department of Radiology, Faculty of Medicine Siriraj Hospital, Mahidol University, has organized the international conference, “Siriraj Stereotactic Radiosurgery Scientific Conference” between August 25th – 26th, 2022. This conference is a collaborative, multi-disciplinary conference, bringing together world-class healthcare professionals such as Prof. Iris C. Gibbs from Stanford University, USA, and Asst. Prof. Joost Nuyttens from Erasmus Medical Center, the Netherland, including the faculty members of the Division of Radiation Oncology, Department of Radiology, who were interested in the latest discoveries, clinical research, and technological advancements of stereotactic radiosurgery, stereotactic body radiation therapy, and precision therapies presented in this conference.