South West Local Health Integration Network
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Our Leadership Team



Michael Barrett
Chief Executive Officer

Michael Barrett has over 24 years of experience in municipal planning and health care administration. He began his career with the County of Oxford as a planner in several municipalities.  Michael moved into health care with the Ministry of Health and Long-Term Care in 2000, where he became Manager of Planning and Support at the South West Regional office.  He has also worked with the Paediatric and Perinatal Partnerships of Southwestern Ontario through the London hospitals, and as the Business Manager for Women and Children’s Services at London Health Sciences Centre (LHSC).  Michael joined the South West LHIN as a Senior Director, in 2007 and was appointed the Chief Executive Officer by the South West LHIN Board of Directors in 2008.  Michael holds a Master of Public Administration degree from the University of Western Ontario, and is currently the President of the Ronald McDonald House of Southwestern Ontario Board.

 markb  Mark Brintnell
Senior Director, Performance & Accountability

Mark Brintnell joined the South West LHIN in 2006 and brings his focus and experience in financial and program accountability, business planning and analysis and performance management within the healthcare field.  As Senior Director, Performance & Accountability, Mark is responsible for providing strategic and operational direction to the financial management and performance improvement mandate of the LHIN.  Previously, Mark held positions with London’s hospitals, the Ministry of Health and Long-Term Care and the Ministry of Municipal Affairs and Housing.


Kelly Gillis
Senior Director, System Design & Integration
Kelly Gillis has been with the South West LHIN since January 2006.  Prior to her role with the LHIN, Kelly worked for London's hospitals as Director of Medical Affairs. She has also worked as the Systems Integration Leader for the Huron Perth Hospitals Partnership and as a senior health planner with the Huron Perth and Thames Valley District Health councils. Kelly has spent the majority of her career in leadership roles focused on health care strategic planning and system integration within southwestern Ontario.
lisaj Lisa Johnson
Controller & Manager of Corporate Services

Lisa Johnson have over 20 years accounting  experience working in both the private and public sectors. She joined the South West LHIN in 2007 as a financial analyst, and in 2010 was promoted into the role of Controller & Manager of Corporate Services. Prior to joining the LHIN, Lisa was a financial coordinator and senior financial analyst with the Ministry of Health and Long- Term Care (MOHLTC) Regional Office in London. Lisa’s experience also includes working for the Huron & Perth Counties Community Care Access Centres (CCACs) as the finance manager. Lisa is a Certified General Accountant and has an honours Bachelor of Commerce degree from Laurentian University.