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2020-2021 Leadership Team

James Douketis, MD, FRCPC


Dr. James Douketis is Staff Physician in the Department of Medicine, Divisions of Thromboembolism, Hematology and General Internal Medicine at St. Joseph’s Healthcare Hamilton, and Professor of Medicine at McMaster University.

He received his Doctor of Medicine degree and completed his residency in Internal Medicine at the University of Toronto. He then completed a thrombosis fellowship at McMaster University.

Dr. Douketis’ research interests include perioperative antithrombotic therapy, prognosis of patients with venous thromboembolism, hormonal therapy and thrombosis, prevention of venous thrombosis in medical patients, and clinical practice guideline development.

Dr. Douketis has been a member of Thrombosis Canada since 2003 and holds executive positions with the International Society on Thrombosis and Haemostasis (ISTH) and the International Thrombosis and Cancer Initiative (ITAC). He is Editor-in-Chief of the Canadian Journal of General Internal Medicine, Deputy Editor of Annals of Internal Medicine ACP Journal Club, and Associate Editor of Thrombosis and Hemostasis.

Alan D. Bell, MD, FCFP
Vice President


Dr. Bell is a family physician and clinical researcher in Toronto, Canada.  He is Assistant Professor in the Department of Family and Community Medicine, University of Toronto. He is a recipient of the College of Family Physicians of Canada Award of Excellence.

His activities include:

  • Primary Panel and Past Chair – Canadian Cardiovascular Society Antiplatelet Guideline Committee.
  • Primary Panel – Canadian Cardiovascular Society Atrial Fibrillation Guideline Committee
  • Thrombosis Canada – Board of Directors and Vice President
  • Hypertension Canada – Board of Directors
  • Canadian Stroke Network Professional Development Committee
  • Heart & Stroke Foundation Structural Heart Disease Council

Dr. Bell is the only primary care physician to chair a CCS guideline committee. His involvement in continuing medical education includes the development and presentation of many national projects. He has served as faculty and chair of countless committees and advisory boards dedicated to serving the common interests of the medical profession and the public. His research, commentaries and letters have been presented and published internationally.

Marc Carrier, MD, MSc, FRCPC

Marc CarrierDr. Marc Carrier, M.D., FRCP(C), MSc. is a Professor in the Faculty of Medicine, Departments of Medicine and Epidemiology at the University of Ottawa and a Senior Scientist in the Clinical Epidemiology Program of the Ottawa Hospital Research Institute. He is currently the Program Director for Adult Thrombosis Medicine Fellowship Program at the University of Ottawa.

Dr. Carrier’s primary clinical research interest is in cancer-associated thrombosis. He is holding a Tier 2 Research Chair in Venous Thromboembolism and Cancer from the University of Ottawa.


Peter Gross, MD, MSc, FRCPC
Research/CanVector Liaison


Dr. Peter L. Gross obtained his MSc in Biochemistry and his MD from the University of Toronto. He did his Core Internal Medicine training in Toronto. He did his Hematology/Oncology Fellowship at Beth Israel Deaconess Medical Center, a Harvard Teaching Hospital. He was Clinician Scientist in the Department of Medicine at St Michael’s Hospital in Toronto from 2003 to 2007. He is currently an Associate Professor in the Division of Hematology and Thromboembolism at McMaster University, Hamilton and the Head of the Clinical Thrombosis Service at Hamilton Health Sciences.

Dr. Gross’s basic science laboratory at the Thrombosis and Atherosclerosis Research Institute (TaARI) focuses on models of thrombosis and hemostasis, and biomarkers for these conditions. Dr. Gross is also is involved in various capacities in clinical trials in venous thrombosis.


Deborah Siegal, MD, MSc, FRCPC
Board Member

Dr. Siegal graduated from Queen’s University School of Medicine in 2009. She completed Internal Medicine and Hematology training at McMaster University. She holds Master of Science degrees in Pharmacology (University of Toronto) and Health Research Methodology (McMaster University).

Dr. Siegal is currently Assistant Professor in the Division of Hematology and Thromboembolism, Scientist at the Population Health Research Institute and Investigator at the Thrombosis and Atherosclerosis Institute at McMaster University. Her primary research interest is improving the safety of anticoagulant therapy including optimizing the management of anticoagulant-related bleeding complications and restarting anticoagulants after bleeding. She has published over 60 articles in peer-reviewed journals including The New England Journal of Medicine, Circulation, Blood and Journal of Thrombosis and Haemostasis on the topic of anticoagulant-associated bleeding and reversal.

Lana Castellucci, MD, FRCPC, MSc
Board Member
Co-Chair, Social Media Committee

Dr. Lana Castellucci is an Assistant Professor in the Faculty of Medicine at the University of Ottawa, and an Associate Scientist at The Ottawa Hospital Research Institute. She sits on the Steering Committee for World Thrombosis Day, a global initiative aiming to increase awareness of thrombosis. She is an active member of the CanVECTOR (Canadian Venous Thromboembolism Clinical Trials and Outcomes Research) Network, and recipient of the Heart and Stroke Foundation of Canada National New Investigator Award.

Dr. Castellucci’s clinical and research interests are focused on the prevention, diagnosis and management of anticoagulant-related bleeding and venous thromboembolism. She is the Principal Investigator of a peer-reviewed international clinical trial (funded by the Canadian Institutes of Health Research) Comparison of Bleeding Risk between Rivaroxaban and Apixaban (COBRRA) in patients with acute venous thromboembolism.

Follow Dr. Castellucci on Twitter at @LanaCastellucci.

David Airdrie
Executive Director

David Airdrie

David Airdrie is an experienced leader and manager. David comes to Thrombosis Canada with the expertise required to grow and support the organization as it looks to the future. With over 25 years in the health care field, he brings experience in strategic development, knowledge translation, medical communications, community engagement and execution that will support Thrombosis Canada as it builds its capacity. His experience includes leading development of a broad range of medical education and communication programs in many therapeutic areas including thrombosis, developing innovative digital programs and developing strategic communications plans for many health care organizations.

Jeffrey Habert, MD, CCFP, FCFP
Co-Chair of Clinical Guides Committee


Dr. Jeffrey Habert is a Family Physician in Thornhill for the last 30 years. He is an Assistant Professor in the Department of Family and Community Medicine at the University of Toronto. Dr. Habert is also a Peer Assessor for the College of Physicians and Surgeons of Ontario, Investigating Coroner for the City of Toronto and a Peer Leader at OntarioMD.

Dr. Habert has an interest in the use of clinical practice guidelines, and has participated on committees to establish guidelines in the areas of depression, stroke and thrombosis. He has recently served on the Scientific Committee for the 2016-2017 Canadian Stroke Prevention Guidelines and 2019 ASA in Primary Prevention Guidelines and is the Co-Chair of Thrombosis Canada Guidelines Committee.

Dr. Habert is very involved in the continuing education of Family Physicians in the areas of thrombosis/stroke, diabetes, osteoporosis, and depression. He is director of the CPD Network Association, a non-profit organization devoted to improve patient care by providing unbiased and value-added education of the highest scientific rigor to Canadian healthcare professionals.

Shannon Bates, MDCM, MSc, FRCPC
Co-Chair of Clinical Guides Committee

Dr. Shannon Bates is a Professor in the Department of Medicine at McMaster University, where she holds the Eli Lilly Canada/May Cohen Chair in Women’s Health and serves as the Director of the Division of Hematology and Thromboembolism and of Hematology in Laboratory Medicine. She is the current Vice Chair of the Royal College of Physicians and Surgeons of Canada’s Area of Focused Competence Committee in Adult Thrombosis Medicine and Co-Editor in Chief of Thrombosis Research.

Dr. Bates’ clinical and academic work focuses on women’s issues in thrombosis and anticoagulant therapy, especially as they relate to pregnancy, assisted reproduction, and hormonal therapy. Dr. Bates was lead author for the chapter examining the use of antithrombotic agents during pregnancy in the 7th, 8th and 9th editions of the American College of Chest Physicians (ACCP) Evidence-Based Clinical-Practice Guidelines for Antithrombotic and Thrombolytic Therapy and for a new chapter examining the diagnosis of deep vein thrombosis for the 9th edition of those guidelines. She was the Chair of the American Society of Hematology Guideline Panel on venous thromboembolism in the context of pregnancy that was published in December 2018 and a member of the panel on venous thromboembolism diagnosis.

Sudeep Shivakumar, MD, FRCPC
Chair of Fellowship & Training Committee


Dr. Shivakumar is an associate professor in the Department of Medicine at Dalhousie University, and a clinical hematologist at the Nova Scotia Health Authority in Halifax, Canada.  He is currently the Director of Thrombosis and Anticoagulation and the Division Head of Hematology at Dalhousie University.

He received his Doctor of Medicine degree at Queen’s University in Kingston, Ontario, and subsequently completed his Internal Medicine and Hematology residencies at Dalhousie University. He then went on to complete a clinical fellowship in Thrombosis at the University of Ottawa and a Masters of Public Health degree from the Harvard School of Public Health.

He is currently a member of the Executive Committee of Thrombosis Canada, and a platform co-chair of the Venous Thrombembolism Clinical Trials Organization (VECTOR) research group.  He has received CIHR funding for the upcoming EPCAT3 study looking at post-hip and knee replacement VTE prophylaxis.

Vinai Bhagirath, MD, FRCP
Chair of Continuing Professional Development

Dr. Vinai Bhagirath is a Hematologist and Thrombosis physician working at Hamilton Health Sciences, and Assistant Professor of Medicine at McMaster University.

He received his MD degree and completed his residency in Internal Medicine at the University of Western Ontario, then went on to Hematology residency at McMaster University. He continued at McMaster to obtain an MSc and to pursue clinical research training.

Dr. Bhagirath is the Director of McMaster’s Adult Thrombosis Medicine training program. His research interests include optimal dosing of anticoagulant medications, and eHealth as a means for knowledge translation. He is grateful for the opportunity to serve as Chair of Thrombosis Canada’s Continuing Professional Development committee since 2020.

 Anil Chopra, MD, FRCP
Chair of Emergency Medicine

ChopraDr. Anil Chopra is the Division Director of Emergency Medicine and Associate Professor in the Department of Medicine at the University of Toronto. He is also the Vice President of Medical Affairs at University Health Network in Toronto.

He received his Doctor of Medicine degree and completed his residency in Emergency Medicine at the University of Toronto. He is also a Diplomate of the American Board of Emergency Medicine.

Dr. Chopra’s clinical and research interests are in the management of venous and arterial thrombosis. He has contributed several publications in the area of thromboembolism. He has been a member of Thrombosis Canada since 2012.

Susan Jenkins, RN(EC), NP
Co-Chair, Patients and Family Committee

Susan Jenkins is a Nurse Practitioner in the UHN Thrombosis and Hemostasis Program and an Adjunct Lecturer at the Bloomberg Faculty of Nursing at the University of Toronto.

She received her undergraduate degree in Nursing from Western University and a Masters in Nursing with completion of the Adult Nurse Practitioner certificate from the University of Toronto.

Susan has a special interest in thrombosis treatment and anticoagulation management, health literacy, patient education and self care. She is currently leading an interdisciplinary team working to develop an adult warfarin patient self management program at UHN.

Tammy J Bungard, BSP, PharmD
Co-Chair, Patients and Family Committee

Dr. Bungard is a Professor of Medicine within the Division of Cardiology at the University of Alberta.

She received her undergraduate pharmacy degree at the University of Saskatchewan and her Doctor of Pharmacy at Wayne State University in Detroit, Michigan. She then completed a research fellowship at the University of Alberta, where she implemented, and servers as the Director, the Anticoagulation Management Service.

Dr. Bungard’s research themes encompass clinical knowledge of the use of antithrombotic therapies, both patient specific clinical management strategies and the development of clinical reviews/tools for healthcare providers, as well as scopes of practice within healthcare systems.

Co-Chair, Social Media Committee


Eddy Lang is a Professor and Department Head for Emergency Medicine at Cumming School of Medicine, University of Calgary and Alberta Health Services, Calgary Zone.

Dr. Lang’s areas of interest are knowledge translation, evidence-based medicine and operations research. He is a member of the GRADE working group and has led the development of GRADE-based clinical practice guidelines in pre-hospital care in the US as well as with the International Liaison Committee for Resuscitation.

Dr. Lang is an award-winning educator, having received recognition at both the university, national and international levels. He serves as Senior Editor for the Canadian Journal of Emergency Medicine, Associate Editor for both ACP Journal Club and the International Journal of Emergency Medicine. In addition, he is a member of the Canadian Task Force on Preventive Health Care (CTFPHC). Dr. Lang chaired the Canadian Association of Emergency Physicians Conference (CAEP) 2018 and he was appointed as the Scientific Director of the Emergency Strategic Clinical Network ESCN in Alberta.