Dr. Colwell is an Associate Professor of Medicine at Dalhousie University. He has been involved in clinical research that has led to several publications including the New England Journal of Medicine.  He is a member of the GI, Breast and sarcoma tumor site groups. He is Chair of the Gastrointestinal Tumor Site Group. He is President of the Canadian Association of Medical Oncology Committee, (CAMO).  He is a member of NSHA Drugs and Therapeutics Committee and chair the Oncology Therapeutics Subcommittee for that same group.  He has an interest in Biosimilars, GI, and breast cancers, and resident education.