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Leadership Team Biographies


 David Matear - CEO
  Dr. David Matear
Chief Executive Officer

Dr. David Matear BDS, BMSc, DDPH, MSc, PhD, MCMI, MIHM, FRSPH, FACHE, has more than 30 years of Canadian and international experience in health care. He has a unique combination of senior leadership experience in policy, project management, change management, clinical, consulting, university, military and community involvement settings in Canada, England, United Arab Emirates and the United States. Most recently, he led California Department of Public Health technical assistance teams in support of health-care systems and he served on the State Health and Human Services COVID planning team, two major initiatives in the COVID response for the state of California. He has also served as executive director, hospitals and community integrated services for Interior Health (IH) West in British Columbia. While there, he planned and introduced a collaborative strategic and operational leadership model among a broad representation of internal and external
stakeholders including Indigenous communities and patient voices. As senior operating director in
Fort McMurray, AB, David acted as the incident commander for Alberta Health Services during the
fire that swept through that community. It was the largest natural disaster in Alberta’s history.
David successfully lead the evacuation of health care services and repatriation of these services during the largest natural disaster in Alberta’s history. David holds extensive educational credentials including a PhD in health-care administration, a BDS in dentistry and certification in health-care management and change management.

 MarionEllis   Marion Ellis
Vice President of Acute Care and Chief Nursing Officer

Marion (RN, BScN, MN) has over 20 years’ nursing leadership experience comprising 17 years of senior leadership experience including the positions of executive director of clinical services for the Northern RHA and vice president of acute care & chief nursing officer for the former Burntwood RHA. She began her nursing career in the United Kingdom, where she graduated with a diploma in nursing. In addition, she completed her BScN with distinction from Brandon University. Marion has also completed her master's degree in nursing administration from the University of Manitoba. She has a proven reputation for establishing effective leadership and management teams, as well as engaging communities and staff in working towards improved health outcomes and safe patient care.

Dorothy Forbes 
  Dorothy Forbes, CPA
Vice President Finance & Chief Financial Officer

Dorothy has 20 years of experience in the accounting field, including roles in the public accounting, agriculture and finance sectors. In 2011, she joined the health region as an analyst and moved into the regional director of financial services role within six months. During this time, she has led many projects within the region, including the amalgamation of both the finance and payroll departments during 2012 merger.

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  Jo-Ann Welham
Vice President Community Services and Chief Allied Health Officer


Myron   Dr. Myron Thiessen
Vice President Medical Services, Chief Medical Officer and Site Chief Medical Officer Selkirk Regional Health Centre

Myron grew up in the Roseau River area of Manitoba and graduated from the University of Manitoba Faculty of Medicine in 1988. He joined the Steinbach Family Medical Clinic in 1990 and practiced medicine full-time until 2008 when he reduced his practice to part-time because he joined the former South Eastman RHA as their part-time VP Medical Services. He moved to a full-time VP Medical Services role with South Eastman RHA in March 2012 and remained VP Medical Services with Southern RHA after the RHA amalgamations in May 2012.

Myron has held various leadership roles as President of Medical Staff and then Chief of Staff at Steinbach's Bethesda Hospital. Most recently, he has been accredited as a Canadian Certified Physician Executive, one of only a handful of physicians in Manitoba who have achieved this Canadian Medical Association designation.

 Randy Dallinger   Randy Dallinger
Vice President of Human Resources
Prior to joining Interlake-Eastern RHA, Randy was with Diagnostic Services of Manitoba (DSM) as their director of human resources. In addition to DSM, Randy worked as a board officer for the Manitoba Labour Board and was a manager in labour relations with Air Canada and several other key human resource related positions over the years.
































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