Dr. Tannock is Emeritus Professor of Medicine and Medical Biophysics at Princess Margaret Cancer Centre and University of Toronto. He obtained his PhD from the Institute of Cancer Research, London University, England and his MD at University of Pennsylvania, Philadelphia, USA. His clinical expertise is in GU and breast cancer. His research investigated methods related to cancer clinical trials, and he chaired trials for men with metastatic prostate cancer that led to licensing of drugs that are used worldwide for this disease. Dr. Tannock is an editor of the Basic Science of Oncology textbook, now in its 5th edition, that is used by trainees in all branches of oncology. Dr. Tannock was a member of the Board of Directors of ASCO from 2001-2004. He chaired (2018-2020) the ASCO working group that organizes International Clinical Trials Workshops, and has taught extensively in low and middle-income countries. He received the alumnus award from M.D. Anderson Hospital, Houston, USA (1989), the Warwick Prize from the National Cancer Institute of Canada (2003), an honorary degree (DSc) from London University, UK (2009), the ESMO award (2012), the first non-European to receive this award, and the ASCO Allen Lichter award for leadership and innovation (2019). He chaired the EORTC scientific audit committee between 2009 and 2016 and was then a member of the EORTC Board. Dr. Tannock was appointed to the Order of Canada in December 2013.