Executive Committee

Meet our Executive Committee


DAVID MUSYJ - President & Chief Executive Officer

David Musyj

David Musyj is the President and CEO at Windsor Regional Hospital (WRH). He joined WRH in 2000 and became the President and CEO in December 2007. David is licensed to practice law in both Ontario and the State of Michigan. Under his leadership, the Windsor Regional Hospital vision, Outstanding Care - No Exceptions is a living and breathing statement that inspires the entire team at the hospital.

David believes the engine of WRH is its staff and he is committed to working with them to create a healthy, motivating, and rewarding workplace. In keeping with this philosophy, WRH continues to strive for excellence and innovation. Born and raised in Essex County.

Email: David.Musyj@wrh.on.ca

Phone Number: 519-254-5577 ext. 56018

Cell: 519-995-2966

Employment Contract

KAREN RIDDELL - Chief Operating Officer, Chief Nursing Executive, Vice President Critical Care & Cardiology

Karen Riddell

Karen Riddell, RN, BScN, MBA is the Chief Operating Officer, Chief Nursing Executive, Vice President Critical Care & Cardiology at Windsor Regional Hospital (WRH). She joined WRH in 1999 and has been in her VP role since December 2017. Karen provides support, guidance, and direction for the Directors and Managers of these departments as they develop, implement, and sustain improvements in processes and care delivery to ensure positive patient outcomes.

Karen leads the Hospital Acquired Infection and Hand Hygiene Corporate indicator and is dedicated to the continuous system and process improvements throughout her portfolio and the entire organization.

Email: Karen.Riddell@wrh.on.ca

Employee Contract

DR. WASSIM SAAD - Vice President of Medical Affairs and Chief of Staff

Dr. Wassim Saad

Dr. Wassim Saad, MD, FRCPC, FACP is the Chief of Staff at Windsor Regional Hospital (WRH). He joined WRH in 2013. Prior to that, he held privileges with HDGH starting in 2005. Dr. Wassim Saad completed his undergraduate degree at the University of Windsor before completing his medical degree at the University of Ottawa in 2001.

After a few years as Chief Medical Resident at Toronto’s Western Hospital (part of the University Health Network of hospitals) and later Mount Sinai Hospital, Dr. Saad returned to our region to join the internal medicine staff at the former Hotel-Dieu Grace Hospital in 2005. Most recently, Dr. Saad has been Chief of the Department of Medicine at WRH as well as Academic Director of Postgraduate Medicine for the Schulich School of Medicine and Dentistry’s Windsor program.

Email: Wassim.Saad@wrh.on.ca


BRANDON BAILEY - Vice President of Redevelopment

Brandon Bailey

Brandon Bailey is the Vice President of Redevelopment. He joined WRH in 2023 to lead the New Windsor/Essex Acute Care Hospital Project and redevelopment at the Ouellette Campus, bringing with him 10 years of experience in hospital construction, design, and engineering. Brandon is a professional engineer with an MBA from Ryerson University and experience in delivering major healthcare infrastructure projects across Ontario.

Prior to joining WRH, Brandon worked for Stantec Consulting Ltd. where he was part of the consultant leadership team working on some of the largest and most recent hospital projects in Ontario including the new South Niagara Hospital, Toronto Sick Kids capital project and Trillium Healthcare’s Mississauga and Queensway sites.

Email: Brandon.Bailey@wrh.on.ca

Employment Contract

TODD BESTED - Vice President of People & Culture


Todd Bested is the Vice President of People and Culture. He joined WRH in 2022. Prior to that, he has more than 25 years of international corporate experience and unique background in Human Resources and Operational Leadership.

Todd will play an integral part in working towards achieving the WRH strategic direction of creating a dynamic workplace culture that establishes WRH as an employer of choice. In this role, he oversees Human Resources, Labour Relations, Health and Safety, Education & Organizational Development, Risk Management, and Patient Advocacy.

Email: Todd.Bested@wrh.on.ca

Employment Contract

MALISSA GAUTHIER - Vice President, Corporate and Laboratory Services & Chief Financial Officer


Malissa relocated from Winnipeg, Manitoba to join WRH in May 2022. She brings 19 years of financial and operational leadership experience to WRH, including budgeting and forecasting, financial analysis, cost containment, Board governance reporting, and day-to-day administrative and operational management.

Malissa was with the Winnipeg Regional Health Authority ("WRHA") since 2016, serving as both a Director of Financial Reporting & Accountability and a Director of Financial Planning where she rebuilt the Financial Planning portfolio of the WRHA as part of the Province of Manitoba’s Health System Transformation.

She received her Chartered Accountant Designation (CA) in 2003 and has also attained various certifications including courses in conflict resolution, LEAN in healthcare, and change management. In this role, she oversees Finance, Payroll, Facilities, Laboratory Services, Clinical Engineering, Print Services, and Guest Services.

Email: Malissa.Gauthier@wrh.on.ca

Employment Contract

JONATHAN FOSTER - Vice President of Emergency Services and Mental Health

Johnathan Foster

Jonathan Foster, BA Hons, MSW, RSW, is the Vice President of Emergency Services and Mental Health at Windsor Regional Hospital (WRH). He joined WRH in 2006 and has been in his VP role since January 2020.

As Vice President, Emergency Services and Mental Health. Jonathan provides support and guidance for these departments with data-driven process improvement and redesign initiatives to improve patient outcomes. He is passionate about developing high-performing teams throughout his portfolio and contributing to new initiatives across the organization.

Email: Jonathan.Foster@wrh.on.ca

Employment Contract

THERESA MORRIS - Vice President of Medicine and Corporate Patient Flow

Theresa Morris

Theresa Morris, RN BScN MN is the Vice President of Medicine and Corporate Patient Flow at Windsor Regional Hospital (WRH). She joined WRH in 1984 and has been in her VP role since January 2020. Theresa began her career as a frontline nurse in Medicine and Critical Care and then moved through various roles in the Emergency Department of Clinical Practice Manager, Operations Manager, and eventually Director roles in Emergency Services and Medicine.

She has been instrumental in improving corporate patient flow and the development of the Short Stay units at both campuses.

As Vice President, leads the team working with professional staff, service providers, community partners, and patients to plan and implement improvements in our Medicine and Patient Flow service areas in the region while supporting the organization with the delivery of outstanding care to all our patients.

Email: Theresa.Morris@wrh.on.ca

Employment Contract

ROSEMARY PETRAKOS - Vice President, Peri-Operative, Surgery, Women's and Children's

Rosemary Petrakos

Rosemary Petrakos, RN, BsCN is the Vice President of Surgery, Peri-operative, and Women's & Children's Services at Windsor Regional Hospital (WRH). She joined WRH in 1978 and has been in her VP role since December 2013.

Rosemary provides support and guidance for the Directors of these Acute Care departments and assists with facilitating the development and integrations of the decision-making process throughout the nursing portfolio through to the senior team and to the President and CEO.

In 2005 Rosemary successfully implemented the 'MORE OB' Program (Managing Obstetrical Risks Efficiently). She has led one of Windsor Regional Hospital's top focus groups - the Falls Team - since 2009. Rosemary has a keen interest in continuous process improvement. She is a devoted and dedicated professional.

Email: Rosemary.Petrakos@wrh.on.ca

Employment Contract

MARGO REILLY - Executive Director of the Windsor Family Health Team

Margo Reilly

Margo Reilly is the Executive Director of the Windsor Family Health Team. She joined the WRH Executive Committee in 2022. She has 18 years of experience in a variety of healthcare settings with 8 of those years in another community family health team.

Email: Margo.Reilly@wrh.on.ca

Employment Contract