CAR Board of Directors 2026-2027
Officers of the CAR Board of Directors
- President: Dr. Alison Harris
- Past-President: Dr. Ania Kielar
- Vice-President: Dr. John-Paul King
- Secretary-Treasurer: Dr. Luigi Lepanto
- Board Meetings Chair: Dr. Jana Taylor
CAR Board of Directors 2026-2027
- Alberta Representative: Dr. Richard Walker
- Nova Scotia Representative: Dr. Joy Borgaonkar
- Ontario Representative: Dr. Tanya Chawla
- Ontario Representative: Dr. Rachel Fleming
- Quebec Representative: Dr. Marc-Antoine Henry
- Quebec Representative: Dr. Bruno Morin
- Saskatchewan and Manitoba Representative: Dr. Carolyn Flegg
- Resident and Fellow Representative: Dr. Chloe DesRoche
- ACR Representative: Dr. David Larson
- CAIR Representative: Dr. Anastasia Hadjivassiliou
Meet Our Current Board of Directors
Dr. Alison Harris, (she/her) President
Dr. Harris is an abdominal radiologist at the Vancouver General and University of British Columbia (UBC) Hospitals and a Clinical Professor of Radiology at UBC. Dr. Harris is the current President of the CAR (since 2025) and a member of the Canadian Society of Abdominal Radiologists (CSAR).
Dr. Harris is a past president of the BC Radiological Society (from 2017-19) and has been a BCRS executive member since 2008. Dr. Harris is the current Regional Department Head and Medical Imaging Director for Vancouver Coastal Health and Providence Health Care. In this capacity, Dr. Harris participates in multiple hospital, regional and provincial medical imaging committees. Dr. Harris was the previous division head of abdominal imaging at VGH for 15 years and UBC Abdominal Fellowship program director for 10 years. Dr. Harris completed an MSc in Health Economics, Policy and Management at the London School of Economics, UK in 2023.
Dr. Harris has a particular interest in quality and has chaired several Doctors of BC committees on the appropriate utilization of ultrasound, CT and MR and is involved in work focusing on “essential imaging” and supporting referring practitioners. More recently, Dr. Harris was pleased to contribute to the CAR’s Radiology Resilience Report. Locally, Dr. Harris recently served as President of the Vancouver Medical Dental and Allied Staff Association for two years.
Dr. Harris graduated from Leicester University School of Medicine and undertook Radiology residency at St. Mary’s Hospital, London, UK. Dr. Harris completed a fellowship in Abdominal Imaging and Intervention at UBC (1999-2000) and has worked both in Vancouver and Toronto in academic practice since then. Dr. Harris has published over 85 peer review papers and is actively involved in education and mentoring residents and fellows. Dr. Harris has presented at multiple local, national and international meetings and is a member of the American College of Radiology’s LI-RADS US Surveillance Committee.
Dr. Harris’s interests beyond abdominal imaging include leadership development, diversity, equity and inclusion, engagement, physician wellness and sustainability. Outside of work, Dr. Harris enjoys travel, running, road cycling and spending time with her husband and three children.
Dr. Ania Kielar (she/her), Past-President
Dr. Kielar is a radiologist at the JDMI (Joint Division of Medical Imaging) in Toronto. She completed medical school and residency at the University of Ottawa. She completed her fellowship in abdominal cross-sectional imaging at the University of Michigan, in Ann Arbor, USA. She subsequently returned on staff at the Ottawa Hospital. She was the division director of the abdominal division at The Ottawa Hospital from 2010 until 2017. During this time, she also worked part-time as a community radiologist, as she enjoys all facets of radiology. In 2018, she joined the University of Toronto and the imaging department. She is currently the deputy chief for quality and practice improvement at the Joint Department of Medical Imaging as well as the Vice Chair at large for the department of Radiology at the University of Toronto.
Dr. Kielar has published more than 115 peer-reviewed manuscripts, 15 book chapters and delivered invited educational lectures at numerous international radiology meetings. She is actively involved in the ACR LI-RADS group as well as participating in various national and international committees. She is grateful for the opportunity to serve the CAR in this new capacity.
Outside of radiology, Dr. Kielar enjoys playing ice hockey, cycling, SCUBA diving and adventure travels. Rob and Ania welcomed their son Edwin to the family in 2018 and he is already an avid adventure seeker.
Dr. John-Paul King, Vice-President
Dr. King earned his medical degree at Memorial University in St. John’s, Newfoundland. After concluding his residency training at Dalhousie University in Halifax, Nova Scotia, Dr. King completed an MSK fellowship in North Carolina at Duke University.
During residency training Dr. King was heavily involved in physician advocacy and served for two years as President of Maritime Resident Doctors, Board Member of Resident Doctors of Canada, and a Board Member of Doctors Nova Scotia.
After completion of his fellowship, Dr. King returned to Nova Scotia where he currently practices as a community radiologist at Colchester East Hants Health Center. Dr. King has expanded the Centre’s MSK MRI imaging and the spine intervention services and currently serves as the Diagnostic Imaging chief for the Northern Zone at the Nova Scotia Health Authority. Dr. King collaborates with the department of Orthopedics on research projects including the CIHR funded Arthroscopic Treatment of Recurrent Anterior Shoulder Instability (ATRASI) trial.
Dr. King lives in Valley, Nova Scotia with his wife Laura and their two children Jack, and Lily.
Dr. Luigi Lepanto, Secretary-Treasurer
Dr. Lepanto’s principal activity today is that of advisor to the Ministry of Health in Quebec although he still devotes some time to clinical activities. Dr. Lepanto has held various administrative posts within his department and hospital. Dr. Lepanto was director of Medical and University Affairs at the Centre hospitalier de l’Université de Montréal (CHUM) from 2017 to 2021. From 2007 to 2017 Dr. Lepanto was medical director of the health technology assessment unit of the CHUM.
Dr. Lepanto is still active academically and is a clinical professor in the department of Radiology, Radiation Oncology and Nuclear Medicine in the Faculty of Medicine at the Université de Montréal where he is involved in teaching residents.
Dr. Lepanto holds the same title in the École de Santé publique de l’Université de Montréal, where he helps direct the master’s program in health technology assessment. Dr. Lepanto’s interests include the impact of technological change on the delivery of healthcare services, a systems approach to healthcare that includes interprofessional collaboration, and the use of real-world data. Dr. Lepanto’s experience as a clinician, administrator, and academic give him a unique perspective on the challenges faced in planning a stable and sustainable healthcare system.
Dr. Jana Taylor (she/her), Board Meetings Chair
Dr. Taylor is a thoracic and abdominal radiologist and associate professor at McGill University Health Centre. Dr. Taylor completed her medical school and residency at McGill and fellowship in thoracic imaging at the Massachusetts General Hospital and her abdominal fellowship at McGill.
Dr. Taylor has a strong interest in medical education and administration, previously serving as Thoracic Fellowship Director and Residency Program Director at McGill. Dr. Taylor has been an examiner for the Royal College for many years and recently took on the role of Co-Coordinator of the Thoracic Component of the Applied Exam. Dr. Taylor is an external reviewer for the Royal College Accreditation Program and most recently has been involved in a project to mentor program directors in other countries seeking to adopt the Canadian model of residency education.
As a founding member of the executive of the Canadian Society of Thoracic Radiologists (CSTR), Dr. Taylor has contributed to multiple projects of this dynamic society and has been extensively involved in lung cancer screening projects for over a decade on a local, provincial, national and international level.
Dr. Taylor was a former Board Director of the CAR from 2010-2016 and has contributed to several working groups of the CAR in recent years. Dr. Taylor is very pleased to have rejoined the Board in 2023 as the new Chair of the Board Meetings.
Dr. Taylor lives in Montreal with her husband, who is a practicing gastroenterologist, and three children.
Dr. Joy Borgaonkar, Nova Scotia Representative
Dr. Borgaonkar (she/her) is a radiologist at the Queen Elizabeth II Health Sciences Centre in Halifax and an Assistant Professor at Dalhousie University.
Dr. Borgaonkar completed her medical school training and radiology residency at Memorial University in her home province of Newfoundland. She competed fellowships at the QE II Health Sciences Centre in Halifax in Breast Imaging and at Massachusetts General Hospital in Boston in Chest Imaging. She has worked at the QE II HSC, a large teaching and referral centre, for over 20 years.
In 2023, Dr. Borgaonkar completed the certificate program in Equity, Diversity and Inclusion at Dalhousie University and founded the Central Zone Diagnostic Imaging EDI committee. She is an active member of the Dalhousie EDI leads committee and the Central Zone Clinical Affairs committee. She has headed several quality initiatives aimed at improving patient care.
Dr. Tanya Chawla (she/her), Ontario Representative
Dr. Chawla graduated in medicine from the Imperial college (University of London UK) and undertook her diagnostic radiology training at Southampton University Hospital NHS trust in the UK. Dr. Chawla is a staff radiologist at the Joint Department of Medical Imaging (JDMI) University of Toronto.
Dr. Chawla was a fellow in abdominal imaging at the JDMI in Toronto. Dr. Chawla returned briefly to the UK to take a position as a consultant radiologist in abdominal and oncological imaging at the Portsmouth Hospital NHS Trust prior to returning to JDMI.
Dr. Chawla’s clinical and research interests are in all aspects of abdominal imaging but her focus has been on GI and gynecological imaging. Dr. Chawla’s research projects and presentations have been presented at multiple major national and international society meetings and recognized with awards by societies such as ESGAR and RSNA.
Dr. Chawla is currently University Divisional Head for abdomen at the University of Toronto and is vice chair for CPD.
Dr. Chawla’s passion for education is reflected by her leadership role at the Advanced Imaging Education Center (AIEC) and her recent role at the ASM scientific planning committee for the CAR.
Dr. Chawla is the President for the Canadian Society for Abdominal radiology (CSAR) and represents radiology on the Gynecological cancer advisory committee at Ontario Health (formerly Cancer care Ontario).
Outside radiology, Dr. Chawla’s passions lie in travelling, photography, cinema and dancing.
Dr. Chloe DesRoche (she/her), Resident and Fellow Representative
Dr. DesRoche is a PGY2 Diagnostic Radiology resident at Queen’s University in Kingston, Ontario. Dr. DesRoche completed her medical degree at Queen’s University after earning both undergraduate and master’s degrees in Computer Science, specializing in biomedical computing and computational image analysis.
Dr. DesRoche has been actively involved with the CAR throughout her training, serving as Medical Student Network Coordinator and on the Resident and Fellows Section Executive Committee. Dr. DesRoche currently serves as the Queen’s CAR RFS representative and is a member of the Education Subcommittee. Dr. DesRoche also holds the Educational Portfolio Lead position with the Canadian Association of Interventional Radiology (CAIR) RFS. She also contributes to the CAR Environmental Sustainability Working Group and has authored multiple manuscripts on environmental sustainability in radiology.
Prior to medical school, Dr. DesRoche represented Canada in rowing. Dr. DesRoche has also raced as a competitive road cyclist and more recently taken up gravel cycling. Outside of radiology, Dr. DesRoche enjoys cycling, cross-country skiing, trail running, reading, and painting.
Dr. Carolyn Flegg, Saskatchewan and Manitoba Representative
Dr. Flegg is a breast radiologist in Saskatoon, Saskatchewan. Dr. Flegg completed her Diagnostic Radiology residency at Queens in Kingston, ON and a fellowship in Breast and Body Oncology Imaging through McMaster University in Hamilton, ON. In addition to her daily clinical practice, Dr. Flegg is also the radiologist lead for the Saskatoon High-Risk Screening Breast MRI program and the Medical Director of the Saskatoon City Hospital Irene and Les Dubé Breast Health Centre. Since August 2022, Dr. Flegg has been the Provincial Director of Breast Imaging for the Saskatchewan Health Authority, working to expand access to advanced breast imaging throughout the province.
Dr. Flegg was a CAR Board of Director from 2015 to 2023, serving as the Board Meetings Chair for six years. Dr. Flegg became a Fellow of the CAR in April 2023 and is the radiologist lead for the CAR Mammography Accreditation Program and has presented at multiple conferences on various breast imaging topics.
In her spare time, Dr. Flegg enjoys travelling with her husband, spending time with her extended family, and knitting.
Dr. Rachel Fleming (she/her), Ontario Representative
Dr. Fleming is a breast radiologist working in community practices in Ontario and Saskatchewan. After studying medicine abroad, Dr. Fleming completed her radiology residency at Cook County Hospital in Chicago and her breast fellowship at the University of Toronto. Afterwards, Dr. Fleming worked at an independent health facility for a short time before returning to JDMI, where she served as Division Head of Breast imaging from 2017-2021, then subsequently served as the quality lead for the breast division.
Pursuing her interest in teaching and education, Dr. Fleming completed her Master of Science in Community Health, focusing on the Health Practitioner Teacher Education Program. Dr. Fleming was the Program Director for the Diagnostic Radiology Residency Program at the University of Toronto from 2021-2024.
Outside of radiology, Dr. Fleming enjoys spending time with her two young children, being outdoors, reading and creative writing. Dr. Fleming is currently working on a middle grade historical fiction novel.
Dr. Anastasia Hadjivassiliou (she/her), CAIR Representative
Dr. Hadjivassiliou is a full time Interventional Radiologist (IR) attending at Vancouver General Hospital and a Clinical Assistant Professor at the University of British Columbia (UBC).
Dr. Hadjivassiliou completed medical school at University College London in the UK. Subsequently, she completed her general medical and Radiology Training in London, UK and obtained the FRCR (UK) designation with IR subspecialty status with the General Medical Council. Thereafter, Dr. Hadjivassiliou successfully completed the Interventional Radiology Fellowship at UBC.
At present, Dr. Hadjivassiliou is the UBC Interventional Radiology Fellowship Director and UBC Department of Radiology Overarching Fellowship Director/Advisor. Dr. Hadjivassiliou is a member of the Board of directors for the Canadian Association of Interventional Radiology (CAIR) and is the CAIR Representative on the Board for the Canadian Association of Radiologists. Dr. Hadjivassiliou is the clinical lead for portal hypertension at Vancouver General Hospital and has authored multiple manuscripts for transradial access as well as delivered multiple presentations at national and international conferences.
Dr. Marc-Antoine Henry (he/him), Quebec Representative
Dr. Henry is a general radiologist practicing at the Pierre-Boucher Hospital, on the South Shore of Montreal, as well as at the Hawkesbury General Hospital. His practice is also between the hospital environment and radiology practices.
Dr. Henry obtained his MD and completed his residency in diagnostic radiology at the University of Montreal in 2016.
In addition to his clinical practice, Dr. Henry is actively involved in medical governance and quality improvement within the institutions where he practices. Dr. Henry is particularly interested in the efficient organization of medical imaging services, the quality and safety of care, and the development of a just culture that fosters organizational learning. Dr. Henry places particular importance on optimizing patient-centred care in a resource-limited context.
Dr. David Larson (he/him), ACR Representative
Dr. Larson is Professor of Radiology (Pediatric Radiology) in the Department of Radiology at Stanford University. His career focuses on managing and improving complex sociotechnical healthcare systems to drive continuous operational improvement for the benefit of patients and clinicians. His research and leadership activities span the sociotechnical spectrum, from developing process control systems that optimize CT radiation dose to helping transition the field of radiology from “peer review” toward “peer learning” in order to foster a more collaborative and constructive work environment.
Dr. Larson has founded and directed numerous improvement programs at Stanford and beyond, training and supporting thousands of individuals in improvement methodology through hands-on projects. Dr. Larson has also served for more than 10 years in senior leadership roles in the Stanford Department of Radiology, including Executive Vice Chair and Acting Chair. Dr. Larson currently serves as Director of the Stanford Radiology AI Development and Evaluation (AIDE) Lab and as Medical Director of Improvement for Stanford Health Care.
Dr. Larson also serves on the Board of Trustees of the American Board of Radiology, overseeing quality and safety, and on the Board of Chancellors of the American College of Radiology as Chair of the ACR Commission on Quality and Safety. Dr. Larson holds MD and MBA degrees from Yale University and completed his residency and fellowship at the University of Colorado Health Sciences Center in Denver, Colorado.
Dr. Bruno Morin (he/him), Quebec Representative
Dr. Morin completed his medical studies at Laval University in Quebec City and his specialty at the University of Montreal. He worked as a community radiologist at the CISSS of Laval for 26 years where he was Head of Department for 16 years. He now dedicates his time to radiology in community clinics and to his associative duties.
Since the beginning of his practice, Dr. Morin has been involved at various levels in provincial associations. He was a member of the Board of Directors of the Association des Radiologistes du Quebec (ARQ). He is currently a medical advisor on grouped purchasing and the management of shortages for the Fédération des médecins spécialistes du Québec (FMSQ).
During these years of involvement, Dr. Morin developed a particular interest in continuing professional development, innovation and management in radiology. After holding several positions within the Société de radiologie du Québec (SRQ), including President, he is now Chair of the SRQ’s Continuing Professional Development Committee. He also sits on the Scientific Committee of the Interdisciplinary Days and on the Governance Committee of the FMSQ. To further his CPD knowledge, Dr. Morin recently completed two refresher courses at the Temerty Faculty of Medicine in Toronto. In 2018, the ARQ awarded Dr. Morin the Personality of the Year Award for the creation of the SRQ Simulation Centre.
A father of three grown children, Dr. Morin is able to devote more time to his passions of travel, the arts, gastronomy and photography.
Dr. Richard Walker, Alberta Representative
Dr. Walker is a musculoskeletal radiologist providing clinical services in the Calgary Zone, Alberta Health Services (AHS) and the Calgary community. He is an Associate Professor of Radiology and Full Member, McCaig Institute for Bone and Joint Health, Cumming School of Medicine (CSM), University of Calgary. His primary research interests include multimodal imaging of sports injuries and joint trauma and imaging appropriateness.
Born and raised in Prince Albert, Saskatchewan, Dr. Walker completed his undergraduate medical education in Saskatoon at the University of Saskatchewan (1992) and a residency in Family Medicine at Royal University Hospital in Saskatoon (1992 to 1994). Following two years of providing primary care in northern Saskatchewan, Dr. Walker completed a residency in diagnostic radiology at Boston University School of Medicine in Boston, Massachusetts, USA (1996 to 2000) and subspecialty training in musculoskeletal imaging at the combined Beth Israel Deaconess Medical Center (Harvard Medical School) and New England Baptist Hospital (Tufts University School of Medicine) fellowship in Boston (2000 to 2001). Dr. Walker moved to Calgary in July 2001 where he established himself as a leader in musculoskeletal imaging. He joined the Cumming School of Medicine in 2006 as a Clinical Assistant Professor.
Dr. Walker has served in several leadership roles throughout his career, including Zone Clinical Department Head, Diagnostic Imaging, Calgary Zone, Alberta Health Services and Chair, Department of Radiology, CSM, University of Calgary from July 2016 to June 2021. He has been an active member in provincial, national, and international organizations and societies, including the Alberta Bone and Joint Health Strategic Clinical Network, the Canadian Association of Radiologists, and the Society of Skeletal Radiology. He served on the Examination Board in Diagnostic Radiology, Royal College of Physicians and Surgeons of Canada from 2010-2016, and again from 2021 to 2023, and is an Associate Editor for the Canadian Association of Radiologists Journal (CARJ). He is a consultant radiologist for multiple professional sports teams in Calgary, was a volunteer physician for the 2010 Vancouver Winter Olympic and Paralympic Games and the consultant radiologist for the IIHF World Junior Hockey Championships held in Alberta in 2012.
Outside of medicine, Dr. Walker enjoys distance running and cycling, and he is an avid golfer. He enjoys travelling with his wife, Renée, and their 3 adult children.