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Senior Medical Leadership Team

Dr. Édouard Hendriks

Vice President Medical, Academic and Research Affairs
Dr. Édouard Hendriks was previously President and CEO of Regional Health Authority 4 in Edmundston, and held the position of Vice President of Medical Affairs with the health authority from 1997 to 2008. Prior to joining Regional Health Authority 4, Dr. Hendriks held various clinical and senior administrative positions with the Canadian Armed Forces and health institutions in Québec, Ontario and New Brunswick. Dr. Hendriks has his Masters of Health Administration from the University of Ottawa and obtained his medical degree from the Université Laval in Québec. He has a certificate in Family Medicine and a special certificate in Emergency Medicine, both from the College of Family Physicians of Canada, as well as being a Fellow of the College. Dr. Hendriks was a surveyor for Accreditation Canada for over twenty years, and he sat on numerous national and provincial committees, including the Board of Directors of the Canadian Patient Safety Institute and the Board of Directors of the Canadian Agency for Drugs and Technologies in Health.

Dr. John Dornan

Regional Chief of Staff
A Memorial University graduate, Dr. John Dornan has been practicing medicine since 1987 when he joined Horizon’s Saint John Regional Hospital (SJRH) as a Staff Endocrinologist. He served as Chief for the Department of Internal Medicine at SJRH from 2005 to 2011, and as Chief of Staff for the Saint John area from 2011 to 2017; during this time he was as an active member on the Horizon Regional Medical Advisory Committee. He also served a brief mandate as Interim Chief of Emergency Medicine in Saint John and Chief of Staff and Interim Medical Director for the Upper River Valley area. Dr. Dornan continues to practice as an endocrinologist. He is an Assistant Professor with Dalhousie University and with Memorial University. A lifelong runner and learner, Dr. Dornan recently completed his MBA at the University of New Brunswick. In his spare time, Dr. Dornan is an apiarist, and he and his family enjoy life and adventures together.

Dr. Martha Mills

Chief of Staff, Fredericton area
Dr. Martha Mills received her medical degree and residency training in Obstetrics and Gynecology from Dalhousie University before establishing her Fredericton practice in 2001. A champion of excellence in obstetric and gynecologic care, Dr. Mills is a Fellow of the Royal College of Physicians and Surgeons of Canada (Obstetrics and Gynecology), and a member of the Society of Obstetrics and Gynecology (SOGC) of Canada, American Association of Gynecologic Laparoscopists, and Atlantic Society of Obstetricians and Gynecologists (ASOG). Dr. Mills has held multiple local, provincial and national committee and leadership positions including President of the Specialty Council of the New Brunswick Medical Society, President and Scientific Director of the ASOG, Chair of the Drugs and Therapeutics Committee and Medication Management Committee and member of the Brand Recognition Program for SOGC. From 2005 to 2014, Dr. Mills served as the Department of Obstetrics and Gynecology’s clinical department head for the Fredericton area. An educator and mentor, Dr. Mills received the Carl Nimrod Educator Award in 2016 from the Association of Professors of Obstetrics and Gynecology (SOGC). In addition to her teaching duties with Dalhousie University and Memorial University, she has served as a member of both undergraduate and postgraduate medical education committees, and the Dalhousie Medical School Admissions Committee. In her spare time, Martha can be found on the golf course or spending time with her family, especially her two grandchildren.

Dr. Tom Peters

Medical Director, Fredericton area
Dr. Thomas Peters has been the Medical Director for Fredericton and the surrounding area since 2010. A thoracic surgeon and Fellow of the Royal College of Surgeons of Canada and America College of Chest Physicians, Dr. Peters received his medical degree and general surgery residency training from Dalhousie University in 1972 and 1981, respectively, during which he worked in family medicine in Halifax and Peru. He completed his two-year specialty training in thoracic surgery at Dalhousie University and Exeter University (UK) in 1983 before working as a general and thoracic surgeon in Fredericton from 1983 to 2012. Dr. Peters has held numerous administrative leadership positions, including Chief of General Surgery and Clinical Head of Surgical Program. The former head of the Medical Education Committee, he is an Assistant Professor of Surgery at Dalhousie University.

Dr. Warren Giberson

Chief of Staff, Moncton area
A Fellow of the Royal College of Physicians and Surgeons of Canada (Otolaryngology-Head and Neck Surgery), Dr. Warren Giberson received his medical degree from Memorial University of Newfoundland in 1986 before completing his general surgery and otolaryngology residencies. He returned to New Brunswick in 1991 to open his practice in the Moncton area. Dr. Giberson has held many medical leadership roles, including the Clinical Department Head of Otolaryngology, Director of Surgical Specialties, Medical Director of Surgery and Medical Director Ambulatory Care for the Moncton area. In addition to his clinical and leadership duties, Dr. Giberson teaches medical students and residents and is a clinical instructor for Dalhousie University and a clinical assistant professor for the Université de Sherbrooke. Dr. Giberson is a member of the Canadian Society of Otolaryngology-Head and Neck Surgery and the American Academy of Otolaryngology-Head and Neck Surgery. He has also served as secretary-treasurer and president of the Eastern Canada Otolaryngology Society, and specialty representative for the New Brunswick Medical Society.

Dr. Jody Enright

Medical Director, Moncton area
Dr. Jody Enright has served as Medical Director for Moncton and the surrounding area since January 2018. Dr. Enright has been a family physician in the Department of Family Medicine at Horizon's The Moncton Hospital since 2009 and is a strong advocate for patients and their families, and understands the challenges faced by our patients, clinicians, and health care professionals. Her role as Medical Director focuses on physician recruitment and improving quality care. Born in Moncton, Dr. Enright received all of her university training in Atlantic Canada and has also served as an Assistant Professor with her alma mater, Dalhousie University Faculty of Medicine, since 2011. Before entering the field of medicine, Dr. Enright worked in both the human resources and public relations sectors.

Dr. Bill Martin

Chief of Staff, Miramichi area
Dr. Bill Martin obtained his medical degree from Dalhousie University, and in June 1981, one week after finishing his internship, he arrived in Miramichi to start a family practice. He maintained an active role in a wide range of rural medicine, including obstetrics, emergency medicine, and psychiatry. Since 2012, he has worked part-time as an emergency physician at Horizon’s Miramichi Regional Hospital. Dr. Martin holds faculty appointments from Dalhousie University and Memorial University. In 2012, he was instrumental in establishing Atlantic Canada's first rural, community-based medical education program at the Miramichi Regional Hospital, through a partnership with Horizon, the University of New Brunswick, and Dalhousie University. Dr. Martin has served three terms as president of the Miramichi Regional Medical Staff Organization. He was a College of Physicians and Surgeons of New Brunswick Council member for three terms, including a term as vice-president from 1996-97 and president from 1997-98. Since 2016, he has been a Horizon Health Network's Regional Medical Advisory Committee member, serving as the rural community appointee. In 2014, the New Brunswick Medical Society presented Dr. Martin with the Dr. Donald Morgan Service Award for contributions to education and humanitarian service.

Dr. Eugene Mah

Medical Director, Miramichi area
A trained family medicine physician, Dr. Eugene Mah received his Bachelor of Science and his medical degree from the University of British Columbia. He went on to complete his family medicine residency at Dalhousie University, where he met his wife while on rotation in Fredericton. After finishing his residency, Dr. Mah and his wife worked and travelled in and outside of Canada before settling down in his wife's hometown of Miramichi in 2002 to raise their children. Since then, Dr. Mah has proudly worked in the emergency department of Horizon's Miramichi Regional Hospital, serving the Miramichi and surrounding area.

Dr. Margot Burnell

Chief of Staff, Saint John area
Dr. Margot Burnell has served as Chief of Staff for the Saint John area since September 2017 and brings over thirty years of experience as an oncologist in Saint John to her role. Before becoming Chief of Staff, Dr. Burnell was the Clinical Academic Department Head of Oncology at Horizon’s Saint John Regional Hospital (SJRH) for over a decade. Born and raised in Windsor, Ont., Dr. Burnell attended medical school at the University of Western Ontario and undertook her residency in Internal Medicine and Medical Oncology at the University of Toronto. She then spent a fellowship year at the Royal Marsden Hospital, London, U.K. Since that time, she has been working in Saint John, dedicating her professional career to the care of cancer patients, families, and their care providers. As an active member of the SJRH, she has sat on many hospitals, provincial and national committees, including the Local Medical Advisory Committee, the Medication Management Committee, and the Provincial Drugs and Therapeutics Committee and has been an active member of the Regional Medical Advisory Committee since 2013.

Dr. David Marr

Medical Director, Saint John area
Dr. David Marr has served as the Medical Director of the Saint John area for over a decade. A graduate of the University of New Brunswick, he completed his medical degree and residency training at Dalhousie University, specializing in internal medicine and cardiology, before joining the Horizon’s Saint John Regional Hospital in 1980. A Fellow of the Royal College of Physicians and Surgeons of Canada in Internal Medicine and Cardiology and the American College of Cardiology, Dr. Marr was instrumental in establishing the New Brunswick Heart Centre in 1991. Dr. Marr has held many leadership roles, including Chief of Internal Medicine, President of the Saint John Medical Society and the New Brunswick Medical Society, and has served on the Board of Directors of the Canadian Medical Association. In addition to his work as a staff cardiologist, he is also an Associate Professor of Medicine at both Dalhousie University and Memorial University.

Dr. Michael Perley

Chief of Staff, Upper River Valley area
Dr. Michael Perley has been Chief of Staff for Upper River Valley and the surrounding area since March 2020. Dr. Perley received his medical degree from Dalhousie University in 1980 and is a distinguished Fellow of the College of Family Physicians of Canada. He is a Family Medicine physician for the Woodstock and Tobique communities and participates in the obstetrical program at Horizon’s Upper River Valley Hospital. A current member of the Pharmacy Drugs and Therapeutics Committee for Health Canada, Dr. Perley is also a medical advisor for the Woodstock and Tobique First Nations, and a former president of the College of Physicians and Surgeons of New Brunswick. A dedicated educator, Dr. Perley has been involved in teaching medical students and residents for Dalhousie and Memorial Universities since 1985, and is an examiner for the College of Family Physicians. He received the Order of New Brunswick in 2017, as well as Dalhousie University’s 2012 Family Physician of the Year Award.

Medical Director, Upper River Valley area

This position is currently vacant.
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