Senior Leadership Team

Eric J. Vandewall, 
President & Chief Executive OfficerEric Vandewall, President & CEO

Eric Vandewall is President and Cheif Executive Officer of Joseph Brant Hospital (JBH) in Burlington, a position he assumed in 2009.

Under Eric’s leadership several major accomplishments have been realized at JBH. An ongoing focus to continue to improve quality care, safe care, and service excellence is evident throughout the hospital. In April 2014, and in 2018, Joseph Brant Hospital received Accreditation with Exemplary Standing from Accreditation Canada.  In addition, JBH recently completed the largest redevelopment and capital expansion project in the history of the hospital. Phase 1, the Halton McMaster Family Health Centre and new parking structure was completed in the Fall of 2014. Phase 2, the redevelopment and expansion of the hospital was completed in the fall of 2018.

Prior to joining JBH, Eric served as the Senior Vice President, Trillium Health Centre, and Vice President of Planning and Corporate Services at Trillium Health Centre. Eric has held a number of other senior management positions including Director, Health Outcomes at Glaxo Welcome; Director, Health Reform Implementation Team, Ministry of Health and Long-Term Care; and, Director, Health Promotion Branch, Ministry of Health and Long-Term Care. He has held several other senior positions at the Ministry of Health and Long-Term Care over an 11 year period.

Eric is a graduate of Queen’s University and holds a master’s degree in Public Administration, Health Policy. He also has an undergraduate degree from Ryerson University in Architectural and he holds a Chartered Director designation from the Directors College, McMaster University.

Ian Preyra, M.D., M.B.A., FRCPC (EM),
Chief of StaffDr. Ian Preyra, Chief of Staff

Dr. Preyra was appointed to the position of Chief of Staff in July 2018. He is a graduate of Queen’s University where he received his M.D. in 1999, followed by his Masters of Business Administration (MBA) from the Schulich School of Business in 2003 and advanced leadership training at the DeGroote School of Business and the Harvard School of Public Health.

Dr. Preyra has worked as an emergency physician at William Osler Health System and St. Joseph’s Healthcare Hamilton where he was also Deputy Chief of Staff. He was a trauma team leader at Hamilton Health Sciences and is also an investigative coroner. Dr. Preyra was part of the team at St. Joe’s that implemented DoveTale, a new electronic health record system for St. Joe’s; this work brought the organization from HIMSS Level 2 to HIMSS Level 6.   

Dr. Preyra has built a strong reputation as a superb clinician and physician leader. His outstanding work ethic, great energy and passion to improve the patient care experience have allowed him to consistently enhance the delivery of high quality care in every role that he has taken on, while maintaining strong advocacy for the advancement of teaching, research and building relationships at all levels.

During Dr. Preyra’s career he has been acknowledged many times for his work as an educator, clinician and physician leader, including receiving the Governor General of Canada Medal, the William Osler Award of Excellence in Education, the Royal College of Physicians of Canada Residency Program Director of the year and the Sister Joan O’Sullivan Award.   

Dr. Preyra has also worked for many years with the Hamilton Catholic Children’s Aid Society supporting their work with children in the community and currently serves on their Board of Directors.

Cheryl Williams, Cheryl Williams, Board of Directors
Executive Vice President Clinical & Chief Nursing Executive

Cheryl Williams is the Executive Vice President, Patient Care Services and the Chief Nurse Executive at Joseph Brant Hospital. 

Cheryl is a Registered Nurse with a background in health care operations, organizational transformation, lean philosophy and methodology, teaching, and advanced clinical practice. 

Cheryl holds a PhD in Nursing Science from the University of Toronto, and is a Certified Health Executive with the Canadian College of Health Leaders.

Marco Terlevic, Marco Terlevic, Executive Vice President, Corporate Administration and Chief Financial Officer
Executive Vice President, Corporate Administration and Chief Financial Officer 

Marco joined Joseph Brant Hospital in April, 2019 after 22 years with St. Mary’s General Hospital (SMGH). Marco is an inspiring and strategic leader with solid experience in executive leadership roles. His dedication to achieving excellence in patient care and financial stewardship contributed to wide-ranging success at SMGH.

Marco held progressively responsible positions at SMGH, including the position of Acting President and Chief Financial Officer. Marco has also held the role as Vice President, Corporate Services and Chief Financial Officer and has overseen Finance and Decision Support, Engineering and Environmental Services, Purchasing and Materials Management.

Marco graduated with highest honours from Davenport University, Michigan with a BBA, Governance/Leadership. Marco is a Chartered Professional Accountant (CPA) and a Certified Management Accountant (CMA). As well, Marco has received his Lean Healthcare Certificate (Yellow Belt) from the Institute of Industrial Engineers.  

Mario Joannette,
Chief Communications Officer Mario Joannette, Chief Communications Officer

Mario has a genuine caring approach and an engaging style that has helped him build a strong reputation in being able to work with others to get the job done, in sometimes very challenging times.

Mario has served as Vice President, Public Relations and Communications of Joseph Brant Hospital since December 2009. In July of 2018, Mario assumed the role of Chief Communications officer. In his new role Mario has added the new responsibility of leading our new community engagement initiative.  

In 2009 when Mario stepped into his role the organization was embarking on a new path forward to communicate JBH's bold transformational agenda. This agenda included an ambitious $450 million plus hospital redevelopment and expansion project and the launch of a 'new era' hospital campaign and rebrand. Mario has also been instrumental in moving forward JBH’s government relations and public relations efforts.    

Mario has a diversified profile of career experience in both the public and private sector, and has also spent several years working in provincial and municipal politics. Mario previously assisted former Minister of Education Gerard Kennedy as his senior advisor, and was the former Chief of Staff for the local Hamilton MPP Ted McMeekin. Mario has also served as the Chief of Staff for Larry Di Ianni, former mayor of Hamilton, and played a pivotal role in two election campaigns, one as Mr. Di Ianni's campaign manager.

Mario is a graduate of Laurentian University and holds an Honours Bachelor of Social Work degree. He is currently finishing his Masters of Communication Management program at the DeGroote School of Business at McMaster University. 

Leah Martuscelli,Leah Martuscelli, Chief Human Resources Officer
Chief Human Resources Officer (CHRO)

Leah joined Joseph Brant Hospital in 2018. She is a visionary and passionate leader with a diverse background in Human Resources and Organizational Development operations and strategy. 

Leah has worked for a number of Ontario hospitals, including Southlake Regional Health Centre as Director, Human Resources and Privacy and MacKenzie Health as Director, Organizational Effectiveness. 

As an experienced healthcare leader and trained Social Worker, she works with individuals and departments to enhance personal, team, and organizational performance by guiding them through multidimensional conversations, practices and processes.  

She is committed to ensuring strong external partnerships to ensure the organization models best practices and maintains a competitive edge for staff retention, recruitment and quality of work life.  

She has been credited with spearheading the development and adoption of leading Human Resources practices and is an acknowledged thought leader and skilled conference presenter in the areas of Workforce Planning, Talent Management, Employee Engagement and Change Management. Leah has also served as a college instructor in Labour Relations.

Leah holds a Master of Industrial Relations from Queen’s University and an Honours Bachelor of Social Work from Western University. She has achieved a Certificate in Adult Education and is a Certified Health Executive.

Anissa Hilborn, Anissa Hilborn, President, Joseph Brant Hospital Foundation
President, Joseph Brant Hospital Foundation

Anissa is an experienced executive in the not-for-profit sector and has held a broad range of leadership positions in fundraising for the past 15 years.

She holds a Bachelor of Arts, Honours from the University of Western Ontario and is a Certified Fundraising Executive. Before joining the hospital's foundation, Anissa was the President of the Erinoak Kids Foundation. She has also held roles as Vice President, at the Centre for Addiction and Mental Health Foundation (CAMH), Director, Community Fundraising for the Credit Valley Hospital Foundation (CVH), and Manager, Special Events for the Multiple Sclerosis (MS) Society of Canada. 

Anissa is a resident of Burlington and is deeply invested in and giving back to her community through volunteer work with other community organizations.


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