Dr. Falkson is an Academic Radiation Oncologist, Associate Professor at the Department of Oncology, Cancer Centre of Southeastern Ontario at the Kingston General Hospital and Queen’s University, Kingston, Ontario since 2004. He was previously Head of the Division of Radiation Oncology at CCSEO at KHSC and Queen's University and Head of the Radiation Treatment Program at the Cancer Centre of Southeastern Ontario and Regional Radiation Clinical Lead, for the Southeast LHIN. He has manages a busy clinical practice while actively participating in research and teaching. Fields of interest include treatment of thoracic malignancies with a specific interest in mediastinal tumours, breast cancer, GI malignancies, and sarcomas. He has expertise in brachytherapy and has established a comprehensive High Dose Rate Brachytherapy program in Kingston which includes and active lung brachytherapy program and an interstitial Accelerated Partial Breast Irradiation Program. Always active in Clinical Research and Clinical trials, he is the Kingston PI for the NRG (previously NSABP and RTOG) and served on the GI subcommittee of the NSABP. He was a foundation member of the Ontario Cancer Research Ethics Board. He is a member of the CTG Canada audit and monitoring committee. He is a member of the Cancer Care Ontario (CCO) Gastrointestinal Cancers Advisory Committee, the CCO Sarcoma Services Steering Committee and an active member of the PEBC Lung Disease Site and has been active in the development of evidence based guidelines. Dr. Falkson graduated as a medical doctor from the University of Pretoria (South Africa) in 1983. After a short rotation in medical oncology, he entered a training program in surgery at the University of Pretoria. Planning to pursue a career in Surgical Oncology, he spent a year as Senior Research Associate in Oncology learning clinical trials methodology before moving to the United Kingdom to further his surgical training. While in the UK he realized his interest was oncology and not surgery and enrolled in the training program in Clinical Oncology of the Royal College of Radiology and accepted a registrar position at St. Bartholomew’s and The Royal London Hospitals in London, UK. In 1996, he returned to South Africa and subsequently joined the academic staff of the Department of Radiation Oncology at the University of the Witwatersrand and the Johannesburg General Hospital. In 2001 he moved his family to Canada. They spent 3 happy years in Thunder Bay before he accepted his current appointment in Kingston.