Atlantic Canada Oncology Group


ACOG is proud of our speakers.

Dr. Natasha Leighl

Dr Natasha Leighl leads the Thoracic Medical Oncology Group at the Princess Margaret Cancer Centre, and is Professor in the Department of Medicine, and Adjunct Professor in the Institute of Health Policy, Management and Evaluation at the University of Toronto.  She holds the OSI Pharmaceuticals Foundation Chair in Cancer New Drug Development through the Princess Margaret Cancer Foundation. She has published over 300 peer-reviewed papers, has held (as principal or co-investigator) over $600 million in peer-reviewed grant funding, and has mentored many oncology trainees that have gone on to leadership roles in oncology around the world. Recently, she was awarded the American Society of Clinical Oncology Excellence in Teaching Award (2019).

 After receiving her MD from the University of Toronto, Canada, Dr. Leighl completed residencies in internal medicine at the University of Calgary and in medical oncology at the University of Toronto. She subsequently completed a Fellowship in Thoracic Oncology with Dr. Frances Shepherd at the Princess Margaret Hospital in Canada, a Fellowship in Clinical Oncology with Prof. Martin Tattersall at the University of Sydney in Australia, and received her Masters in Medical Science (MMSc) in Clinical Epidemiology at the University of Newcastle, Australia.

Dr Leighl’s main interest is in developing new treatments in lung cancer and improving lung cancer diagnostics. She is involved in clinical studies of novel agents for the treatment of thoracic cancers, has led several international and cooperative group studies in lung cancer, and serves on many committees and medical journal editorial boards.

Dr. Crispen Russell

Dr. Crispin Russell is a general thoracic surgeon based in Saint John, NB.  After graduating from Nova Scotia’s Dalhousie Medical School in 2005, he completed a 6 year general surgery residency at Memorial University of Newfoundland. While there he took an interest in thoracic surgery, leading him to a fellowship program at the University of Toronto.  In 2013, Crispin completed his thoracic surgery fellowship and returned to St. John’s to begin his career.  He spent the next six years practicing in Newfoundland and was involved in the Surgery Residency program and the Medical school.  He was cross appointed to the provincial Cancer Centre and helped implement  a provincial Thoracic Triage program. In the fall of 2019 he accepted  a position at the Saint John Regional Hospital.  His work encompasses minimally invasive surgery and  advanced ultrasound with a particular interest in thoracic oncology, diseases of the esophagus and the chest wall.

Dr. Patrick Cheung

Dr. Patrick Cheung is a radiation oncologist at the Sunnybrook Odette Cancer Centre, specializing in genito-urinary and lung malignancies.  He is an Associate Professor in the Department of Radiation Oncology at the University of Toronto.  His academic interests include evaluating the use of SBRT/hypofractionation for localized and oligometastatic/oligoprogressive cancers.

Dr. Dario Manos

Dr. Manos is the head of thoracic radiology at the QEII Hospital in Halifax, NS and the Associate Head, Education, for Dalhousie’s Department of Diagnostic Radiology.  She attended medical school and residency at Dalhousie University and completed a fellowship in thoracic radiology in Vancouver.  She is active with national lung cancer committees including with the Canadian Partnership Against Cancer and the Canadian Association of Radiologists. Her research interests include rational cost-effective evidence-based management of lung nodules.  She is the current president of the Canadian Society of Thoracic Radiology.

Dr. Stewart Rorke

Dr. Stewart Rorke, who is originally from Carbonear, Newfoundland, completed an honours degree in Biochemistry and Molecular Biology prior to his medical studies at Memorial University in St. John’s, Newfoundland. He then went on to complete his Internal Medicine training, also at Memorial, prior to entering a Medical Oncology Fellowship in London, Ontario. During his Fellowship, he received the CAMO resident research award for his work on antiapoptosis in lung cancer. Currently, he is working in the Cancer Care Program, Eastern Health, at The Dr. H. Bliss Murphy Cancer Centre in St. John’s where his main sites of interest include lung cancer, melanoma, and sarcoma.

Dr. Rorke is a Clinical Assistant Professor of Oncology (Medical Oncology, with Memorial University of Newfoundland and Labrador.