Brian O'Sullivan, MB BCh, FRCPC

Brian O’Sullivan is a Professor in the Department of Radiation Oncology and in the Department of Otolaryngology / Head and Neck Surgery at the University of Toronto. He holds the Bartley-Smith/Wharton Chair in Radiation Oncology in the Department of Radiation Oncology at the Princess Margaret Hospital. He received his medical degree from the National University of Ireland at University College Dublin in 1976, and completed internship and general internal medicine at St. Vincent’s Hospital in Dublin, and a fellowship in medical oncology, and a residency and clinical fellowship in radiation oncology at Princess Margaret Hospital.
 
Professor O’Sullivan is the immediate past-Chair of the Head and Neck Oncology Committee of the Canadian Clinical Trials Group (CCTG) and current co-Chair of the US NCI Head and Neck Steering Committee of the Coordinating Center for Clinical Trials, CTEP. He is the recipient of numerous international awards such as the O.Harold Warwick Prize, the ESTRO Honorary Membership Award, the Fellow of ASTRO Award, the Juan Del Regato Gold Medal, the Inaugural Stiefel Lectureship and the Gilbert Fletcher Distinguished Professor Lecturer at MD Anderson Cancer Centre, and the Ira Spiro Distinguished Memorial Lecturer Award at Harvard Medical School.

He has published almost 350 peer reviewed papers, more than 50 book chapters, and written or edited 6 oncology textbooks. He is a Commissioner, International Commission on Radiation Units & Measurements (ICRU). He is a member of the TNM Committee of the Union for International Cancer Control (UICC), Chair of the UICC Prognostic Factors Sub-Committee, Editor-in-Chief of the UICC Manual of Clinical Oncology, and the UICC liaison to the American Joint Committee on Cancer (AJCC) for head and neck cancer, and bone and soft tissue sarcoma.

His interests include the biology and clinical behavior of sarcoma and head and neck cancer, cancer staging and prognostic factor, risk stratification and treatment optimization, clinical trial and translational research, quality improvement and global cancer control.
  • Tumor biology and clinical behavior of HPV-related and unrelated head and neck cancers
  • Risk stratification and customization of treatments for head and neck cancer and soft tissue sarcoma
  • Treatment optimization and innovation for head and neck cancer and soft tissue sarcoma
  • Cancer staging and clinical trials
  • Radiotherapy quality improvement and global cancer control

Oral Oncol. 2019 Oct 22;99:104438
Lu T, Hu Y, Xiao Y, Guo Q, Huang SH, O'Sullivan B, Fang Y, Zong J, Chen Y, Lin S, Chen Y, Pan J
Int J Radiat Oncol Biol Phys. 2019 Sep 27;:
So N, McDowell LJ, Lu L, Xu W, Rock K, Waldron J, Bernstein LJ, Chan HB, Huang SH, Giuliani M, Hope A, O'Sullivan B, Bratman SV, Cho J, Kim J, Jang R, Bayley A, Ringash J
Oral Oncol. 2019 Oct;97:124-130
Alfaraj F, Craig T, Huang SH, O'Sullivan B, Su J, Bayley A, Bratman S, Cho J, Giuliani M, Kim J, Ringash J, Waldron J, Hansen A, de Almeida J, Perez-Ordonez B, Weinreb I, Tong L, Xu W, Hope A
Nat Rev Clin Oncol. 2019 Aug 06;:
Brierley J, O'Sullivan B, Asamura H, Byrd D, Huang SH, Lee A, Piñeros M, Mason M, Moraes FY, Rösler W, Rous B, Torode J, van Krieken JH, Gospodarowicz M
Int J Radiat Oncol Biol Phys. 2019 Jul 02;:
Lee AW, Ng WT, Pan JJ, Chiang CL, Poh SS, Choi HC, Chan Ahn Y, AlHussain H, Corry J, Grau C, Grégoire V, Harrington KJ, Hu CS, Kwong DL, Langendijk JA, Le QT, Lee NY, Lin JC, Lu TX, Mendenhall WM, O'Sullivan B, Ozyar E, Peters LJ, Rosenthal DI,...
Radiother Oncol. 2019 May;134:10-16
Hosni A, Huang SH, Chiu K, Xu W, Su J, Lu L, Bayley A, Bratman SV, Cho J, Giuliani M, Kim J, O'Sullivan B, Ringash J, Waldron J, Spreafico A, de Almeida JR, Chepeha DB, Irish JC, Goldstein DP, Hope A
Radiother Oncol. 2019 May;134:1-9
Biau J, Lapeyre M, Troussier I, Budach W, Giralt J, Grau C, Kazmierska J, Langendijk JA, Ozsahin M, O'Sullivan B, Bourhis J, Grégoire V
Int J Radiat Oncol Biol Phys. 2019 Apr 04;:
Billfalk-Kelly A, Yu E, Su J, O'Sullivan B, Waldron J, Ringash J, Bartlett E, Perez-Ordonez B, Weinreb I, Bayley A, Bratman SV, Cho J, Giuliani M, Hope A, Hosni A, Kim J, Hansen AR, de Almeida J, Tong L, Xu W, Huang SH
Oral Oncol. 2019 Apr;91:113-120
Guo Q, Lu T, Hui Huang S, O'Sullivan B, Zong J, Xiao Y, Xu W, Chen C, Qiu S, Xu L, Zheng W, Chen Y, Lin S, Pan J
J Natl Cancer Inst. 2019 Mar 26;:
Thu Le Q, Dimitrios Colevas A, O'Sullivan B, Lee AWM, Lee N, Ma B, Siu LL, Waldron J, Lim CM, Riaz N, Lynn J, Malik S

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Radiation Oncology Chair, Head and Neck Steering Committee, US National Cancer Institute
Commissioner, International Commission on Radiation Units & Measurements (ICRU)
Prognostic Factors Committee Chair, Union for International Cancer Control (UICC), TNM Classification of Malignant Tumours
Clinician-Scientist, Ontario Association of Radiation Oncologist, Ministry of Health
Clinician-Scientist, Ontario Cancer Institute, University Health Network, Toronto
Associate Member, Graduate Faculty, Institute of Medical Science, University of Toronto