Dr. Brian Day graduated in medicine from the University of Manchester and undertook further training at the Royal Postgraduate Medical School in London, obtaining British specialist qualifications in both internal medicine and general surgery. He later completed his orthopaedic specialist training at UBC. He is a Fellow of the Royal College of Surgeons of Canada, the American Academy of Orthopaedic Surgeons, and is certified by the American Board of Orthopaedic Surgery. He obtained a M.Sc. degree from UBC and later received the Edouard Samson Award, for outstanding orthopaedic research in Canada. He undertook further post-graduate training in Basel (Switzerland), Oxford (England), and Los Angeles and began practice at the Vancouver General Hospital in major trauma, later focusing on orthopaedic sports injuries.

He is a past president of the Canadian Medical Association and the Chicago based Arthroscopy Association of North America, the world’s leading academic society in his field. He was previously Chair of its Research Committee and was a member of the Scientific Committee of the European Society of Sports Traumatology. He has chaired five international seminars on arthroscopic surgery and pioneered the introduction and teaching of arthroscopic surgical techniques, as well as some of the now standard fracture treatment techniques in Canada. He is a former VP of the Canadian Orthopaedic Foundation (a national charity), a past Director of the Canadian Orthopaedic Association, and former Executive member of the Canadian Orthopaedic Research Society. For three years, he chaired the Royal College of Physicians and Surgeons of Canada Test Committee in Orthopaedics, responsible for setting the national qualifying exams. He has served as Associate Editor of the Journal of Arthroscopy and on the editorial board of several other journals.

He remains a physician staff member at Vancouver Coastal Health, and an Honorary Associate Professor at the University of British Columbia. He has served on many university committees. For 6 years he chaired the post-graduate orthopaedic academic programme at UBC. He has been invited as a visiting professor and lecturer at many universities and learned societies, including McGill, Manitoba, Ottawa, N. Carolina, Yale, Cambridge (England), Taipei, Manila, Hong Kong, Madrid, Santiago, Mexico, Athens, Rome, Mumbai, and Sydney. He has published over 200 articles and book chapters. He has served as Osler lecturer and as a Board member of the BC Medical Association and, in 2014, received their Don Rix leadership award.

Dr. Day has been the medical officer for multiple national and international sports teams and events, including as team doctor or medical consultant to the Canadian Davis and Federation Cup teams and Olympic teams. His patients have included CFL, NHL, NBA, NASL, and PGA athletes, elite soccer players from English Premier, German and Central / South American soccer teams, and Olympic medallists from countries as far away as Russia and Australia. His international patients have also included many world-famous celebrities, actors, and dignitaries. The Globe and Mail placed him in the Power 50 list of Canadians with the influence and desire affect sport in Canada.

He is the founding and current Medical Director of Specialist Referral Clinic and Cambie Surgery Centre.