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About Us

Executive Team

CHEO is managed by the Chief Executive Officer and his Senior Management Team. They include:

Alex Munter

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President and Chief Executive Officer

Alex Munter is President and Chief Executive Officer, bringing to the role more than 20 years of leadership in health and social services and an incredible commitment to helping families in our community.

Learn more about Alex Munter »

Darlene Arseneau

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Vice President Corporate Services and CFO

As Vice President Corporate Services and CFO, Darlene provides leadership in many areas and champions the financial health of CHEO, in support of the children, youth and families. Areas of responsibility includes finance, strategic sourcing, material management, clinical engineering, food services, medical imaging, facilities and security.

Learn more about Darlene Arseneau »

Anne Huot

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Vice President, Child Development and Community Services

Anne Huot is Vice President of Child Development and Community Services at CHEO. Her portfolio includes development and rehabilitation services, mental health, palliative care, genetics, autism, patient experience, complex care and the community discharge team.

Learn more about Anne Huot »


Dr. Lindy Samson

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Chief of Staff

Dr. Lindy Samson is the Chief of Staff and Chief Medical Officer, as well as being a staff physician in the Division of Infectious Diseases. In addition, she holds an academic appointment as Associate Professor in the Department of Pediatrics at the University of Ottawa’s Faculty of Medicine and is a Clinical Investigator at the CHEO Research Institute.

Learn more about Dr. Lindy Samson »

Dr. Martin H. Osmond

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Vice-President, Research

Dr. Martin H. Osmond is the Vice President of Research and the CEO and Scientific Director of the CHEO Research Institute (CHEO RI). His clinical work is as a pediatric emergency physician at CHEO. He is a Professor of Pediatrics at the University of Ottawa.

Learn more about Dr. Martin H. Osmond »

Bruce Squires

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Vice-President, People, Strategy & Performance

Bruce Squires is the Vice President of People, Strategy and Performance. Bruce joined CHEO in 2013, bringing nearly 25 years of senior leadership experience in Canadian healthcare.

Learn more about Bruce Squires »

Ann Lynch

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Chief Nursing Executive and Vice President, Acute Care

Ann Lynch is the Chief Nurse Executive and Vice President, Acute Care which includes inpatient units, intensive care, perioperative services, Emergency, ambulatory care, pharmacy services, nursing research, and nursing practice and education.

Learn more about Ann Lynch »

Mari Teitelbaum

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Vice-President, Provincial Programs and Chief Innovation Officer

Mari Teitelbaum is the Vice President of Provincial Programs and Chief Innovation Officer. Her unique background and her passion for applying technology to improve health care systems make her an asset to our team. Mari started her career as an electrical engineer, where she recognized the value of technology to enable efficiency and effectiveness.

Learn more about Mari Teitelbaum »

Dr. Ciarán M. Duffy

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Chief of Pediatrics

Dr. Duffy has been Chief of Pediatrics and Professor and Chairman, Department of Pediatrics, Faculty of Medicine, University of Ottawa since April 2011. He was previously Professor and Associate Chairman of the Department of Pediatrics at McGill University and Director of the Division of Rheumatology and Associate Pediatrician-in-Chief at The Montreal Children’s Hospital.

Learn more about Dr. Ciarán M. Duffy »

Dr. Kathleen Pajer

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Chief, Department of Psychiatry

Dr. Pajer joined CHEO in 2014 as the Chief, Department of Psychiatry and Professor of Psychiatry, University of Ottawa Faculty of Medicine. She currently sits on the editorial board of the Canadian Journal of Psychiatry. Dr. Pajer has a keen interest in system change, continuous quality improvement, and patient-focused care and research.

Learn more about Dr. Kathleen Pajer »

Dr. David Rosen

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Chief, Anesthesiology and Pain Medicine

Dr. Rosen joined CHEO in 2005 and was appointed to Chief of CHEO’s Department of Anesthesiology and Pain Medicine in July of 2017. Dr. Rosen attended the University of Toronto Medical School and completed a residency in Anesthesia at the University of British Columbia.

Learn more about Dr. David Rosen »

Dr. Juan Bass

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Chief, Department of Surgery

Dr. Juan Bass is Chief of the Department of Surgery and at the University of Ottawa’s Faculty of Medicine. Dr. Bass has been a member of the CHEO medical staff since 1987.

Learn more about Dr. Juan Bass »

Dr. Ken Farion

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Medical Director, Quality and Systems Improvement

Dr. Ken Farion is the Medical Director of Quality and Systems Improvement and an investigator with the CHEO Research Institute. Dr. Farion completed his emergency medicine training at the University of Toronto in 1998, and his pediatric emergency medicine subspecialty training at CHEO, where he has been on staff ever since.

Learn more about Dr. Ken Farion »

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