Executive Leadership Team

Meet Mackenzie Health's Executive Leadership Team

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Altaf Stationwala Altaf Stationwala President and CEO, Mackenzie Health Specialty: N/A Accepting Patients: N/A Office Contact Phone: N/A Fax: N/A Map to Location

Altaf Stationwala was appointed President and CEO of Mackenzie Health in 2010. Under his leadership, Mackenzie Health received Accreditation with Exemplary Standing consecutively in 2013 and 2017 – the highest rating a Canadian healthcare provider can achieve – and numerous awards for its commitment to safety and quality patient care, as well as approval to build the organization’s second hospital – Cortellucci Vaughan Hospital. In June 2015, Altaf established the Mackenzie Innovation Institute, which includes the first-in-Canada Innovation Unit initiative, a unique integration of advanced technology that transforms the delivery of care. Prior to joining Mackenzie Health, Altaf held the position of Senior Vice President and Chief Operations Officer at Mount Sinai Hospital, and previous to that he was Site Executive - Brampton Civic Hospital and Vice President, Patient Services at the William Osler Health Centre.

Altaf was presented with the Canadian College of Health Service Executives Canada's Outstanding Young Health Executive of the Year Award in 2007 for his demonstrated leadership in improving the effectiveness and sustainability of the country's health system. He has a diverse educational background with undergraduate degrees in Economics, Geography and Business Administration, as well as a Master’s in Health Administration.  Altaf is adjunct faculty at the Institute of Health Policy, Management and Evaluation (IHPME), Dalla Lana School of Public Health, University of Toronto, and a surveyor with Accreditation Canada. Altaf previously served as Chair of the Ontario Hospital Association.

Dr. Steven Jackson Dr. Steven Jackson Vice President, Medical Planning and Chief of Staff, Mackenzie Health Specialty: N/A Accepting Patients: N/A Office Contact Phone: N/A Fax: N/A Map to Location

Dr. Steven Jackson was appointed Chief of Staff in September 2013. He has over 20 years' experience in medical leadership, administration and governance. Prior to joining Mackenzie Health, Dr. Jackson was Chief of Staff at The Scarborough Hospital. He has chaired and co-chaired numerous committees and task forces locally and regionally and is currently the co-chair of the Central Region Ontario Health Hospital Operations Table.

Dr. Jackson is a general surgeon by training, specializing in surgical oncology. He holds an MBA from the Rotman School of Management at the University of Toronto. He has also completed several other recognized medical leadership programs from the Rotman School of Management and the Canadian Medical Association.

Mary-Agnes Wilson, RN, PhD Mary-Agnes Wilson, RN, PhD Executive Vice President, Chief Operating Officer and Chief Nursing Executive, Mackenzie Health Specialty: N/A Accepting Patients: N/A Office Contact Phone: N/A Fax: N/A Map to Location

Mary-Agnes is the Executive Vice President, Chief Operating Officer and Chief Nurse Executive at Mackenzie Health, overseeing all clinical operations sited at both Mackenzie Richmond Hill Hospital, Cortellucci Vaughan Hospital, the Reactivation Care Centre, as well as multiple regional and community-based programs for Chronic Kidney Disease, Stroke, Behavioural Health and Brain Injury Services. As part of the clinical services portfolio, Mary-Agnes also oversees Quality, Patient Safety, Integrated Risk, and Professional Practice.

Throughout her career, Mary-Agnes has continuously demonstrated a strong commitment to collaborative and interprofessional practice, education and research, in addition to extensive operational experience in clinical programming and strategic planning. At the height of the COVID-19 pandemic, Mary-Agnes led Mackenzie Health’s pandemic response and opened Cortellucci Vaughan Hospital ahead of schedule, in collaboration with the province to alleviate pressures faced across the system. Mary-Agnes also led corporate operational planning and readiness efforts for the highly successful opening of the new Cortellucci Vaughan Hospital, as a full-service hospital. 

Mary-Agnes holds a Bachelor and Master of Nursing degree from the University of Toronto and a PhD from McMaster University. She also serves as an advisory member for the Canadian Nurses Association and was most recently appointed to the Governing Council for the University of Toronto.

David Stolte David Stolte Vice President, Strategy and Program Support Services, Mackenzie Health Specialty: N/A Accepting Patients: N/A Office Contact Phone: N/A Fax: N/A Map to Location

David Stolte is the Vice President, Strategy and Program Support Services at Mackenzie Health. Prior to his current role, David was the Vice President of Strategy and Redevelopment at Mackenzie Health and was responsible for the planning and implementation of Mackenzie Health’s second hospital, Cortellucci Vaughan Hospital, which opened as a full-service community hospital in June 2021.

Before his appointment to the Vice President role in January 2012, David was Mackenzie Health's Chief Strategy Officer after joining the hospital in August 2009. David's responsibilities include the development of Mackenzie Health's strategic plan, the systems to ensure strategy implementation, oversight of program support services and ongoing performance improvement including lean process improvement.

David brings seventeen years of experience working in the Ministry of Health and Long-Term Care. During his time in the provincial government, David held progressively responsible leadership positions and worked collaboratively with hospitals from across the province to resolve planning, program, funding, restructuring and capital redevelopment issues. As well, David held a wide variety of other high priority positions in the ministry including the Director of Executive Support in the Deputy Minister's Office, Capacity Lead for the provincial ER/ALC Strategy, and Project Director for the Ontario Diabetes Strategy. David holds a Master of Business Administration in Health Services Management from McMaster University as well as a Bachelor of Science and a Bachelor of Arts in Economics.

Stav D'Andrea Stav D'Andrea Vice President, People Services and Chief Human Resources Officer (CHRO), Mackenzie Health Specialty: N/A Accepting Patients: N/A Office Contact Phone: N/A Fax: N/A Map to Location

Stav D'Andrea joined Mackenzie Health in January 2013 as the Chief Human Resources Officer. Stav is responsible for a portfolio of services which includes Human Resources, Learning and Organizational Development, Occupational Health and Safety, Central Staffing Services, Volunteer and Community Resources and Child Care Services. A key responsibility is the 'people' Human Resources strategy alignment with Mackenzie Health's organizational strategic plan.

Stav brings over 25 years of experience working in the healthcare sector in progressive Human Resources leadership positions in both acute and complex care and rehabilitation Hospitals. She has led a variety of strategic initiatives including Talent Development and Leadership programs, as well as Human Resources transition and transformation programs for Hospital redevelopment. Stav is a graduate of University of Toronto in the Arts and Leadership, is a Certified Human Resources Professional (CHRP) and a graduate of Seneca College's Business Administration Program. As an active member of the community, Stav participates in the York Region Community Partnership Council and has served over seven years as a Volunteer, Chair and Parent Council member for the Vaughan Catholic School Board. She was awarded the Vaughan Citizen Volunteer Service Award and the National Life of Canada Award.

Allison Trenholm Allison Trenholm Vice President, Public Affairs, Stakeholder Relations and Chief Communications Officer, Mackenzie Health Specialty: N/A Accepting Patients: N/A Office Contact Phone: N/A Fax: N/A Map to Location

Allison Trenholm is the Vice President, Public Affairs, Stakeholder Relations and Chief Communications Officer accountable for strategic internal and external communications across Mackenzie Health and Mackenzie Health Foundation including brand, crisis and issues management; government, stakeholder and media relations; social media and integrated marketing.

Allison brings passion and experience in strategic communications, government relations and stakeholder engagement while fostering a proactive, team-focused service delivery on both strategic and operational initiatives.

Allison first joined Mackenzie Health in early 2018 as Director, Communications, Marketing and Stewardship before taking on her current role in November 2019. Prior to joining Mackenzie Health, Allison was responsible for developing and managing internal and external communications programs for the Electrical Safety Authority. Allison also worked at Trillium Health Partners Foundation where she held increasingly progressive leadership positions and led the communications efforts supporting the merger of Trillium Health Centre Foundation and Credit Valley Hospital Foundation. Allison holds an Honors Bachelor of Arts degree from Western University’s Faculty of Information and Media Studies, a Certificate in Writing also from Western University and is certified in change management.

Natalie Hovey Natalie Hovey Vice President, Finance and Chief Financial Officer Specialty: N/A Accepting Patients: N/A Office Contact Phone: N/A Fax: N/A Map to Location

Natalie Hovey joined Mackenzie Health in January 2022 as the Vice President Finance and CFO.  Natalie is responsible for providing strategic leadership and oversight over the hospital’s entire suite of Financial Services, Payroll, Financial Planning and Analysis, Procurement and Business Services. 

Natalie’s accomplished career includes over 20 years of progressive leadership roles in large, complex multi-site hospitals.  Natalie has extensive financial senior leadership and Board Governance experience.  Most recently, Natalie was the Vice President, Corporate Services and Chief Financial Officer at Lakeridge Health where she continuously demonstrated a strong commitment to excellence in patient care and service and led strategic initiatives ensuring strong financial sustainability. 

Natalie is a graduate of St. Francis Xavier University’s Bachelor of Business Administration Program, is a Chartered Professional Accountant (CPA) and a Certified Management Accountant (CMA). 

Natalie is very active on various Boards and Committees in the health care sector where she contributes with her wide array of financial and business development expertise. She currently serves on the Board of the Abilities Centre which is helping people of all abilities participate fully in their community’s recreational, social and economic life. 

Purvi Desai Purvi Desai Vice President, Digital Health and Chief Information Officer, Mackenzie Health Specialty: N/A Accepting Patients: N/A Office Contact Phone: N/A Fax: N/A Map to Location

Bio to come