Hamilton Health Sciences
About Us

Executive Leadership Team


Rob MacIsaac
President and CEO

Rob MacIsaac became the President and CEO of Hamilton Health Sciences on February 1, 2014. In his previous role as President of Mohawk College, Mr. MacIsaac led the transformation of its main campus with investments in new and renovated space totalling more than $80 million. He also positioned Mohawk as southern Ontario’s post-secondary education hub for health and technology, and a leader in applied research. Between 2006 and 2009, Mr. MacIsaac served as the first Chair of Metrolinx - the transportation authority responsible for planning, building, and operating transportation infrastructure in the Greater Toronto and Hamilton Area. Mr. MacIsaac also served three terms as Mayor of the City of Burlington from 1997 to 2006.

Mr. MacIsaac has been recognized for his accomplishments in community building with the Canada 125 and the Queen’s Diamond Jubilee medals, and through a Paul Harris Fellowship. He was also awarded a Doctor of Arts (Honoris Causa) from Australia’s Charles Sturt University. Mr. MacIsaac completed his undergraduate degree in Economics at the University of Waterloo in 1984 and received a Law degree at the University of Western Ontario in 1987. He was called to the Bar in 1989.


Dr. Wes Stephen
Executive Vice President, Clinical Operations and Chief Operating Officer

Dr. Stephen is an accomplished surgeon who has held multiple hospital and university leadership roles. Prior to joining HHS in September 2017, he was Chief of Staff at Burlington’s Joseph Brant Hospital. Previously, Dr. Stephen worked as a colorectal/general surgeon at HHS and was part of McMaster University faculty where he held various positions such as Academic Head of General Surgery, Service Chief of General Surgery and Regional Head of Surgical Oncology at Cancer Care Ontario. He was the President of the Canadian Colorectal Society and an Examiner on the Board of General Surgery with the Royal College of Physicians and Surgeons. Dr. Stephen is a graduate of Dalhousie University and the University of Toronto.  

Dr. Michael Stacey 
Executive Vice President, Academic and Chief Medical Executive

Dr. Stacey is an outstanding clinician and researcher and comes to this position with a natural ability to connect, communicate and inspire. He is a gifted vascular surgeon, and a respected health care leader.

Dr. Stacey is currently HHS' Surgeon-in-Chief at HHS, a role that he took on in 2014. He was formerly a senior vascular surgeon at the Fremantle Hospital in Perth, Australia and Professor at the School of Surgery at the University of Western Australia. As Head of the Department of Vascular Surgery and Director of the Vascular Laboratory, Dr. Stacey led a multidisciplinary team providing clinical care, teaching and research.

He received his medical degree from the University of Western Australia, achieved his Fellowship certification by the Royal Australasian College of Surgeons in 1986. He spent two years at St Thomas' Hospital, London in Britain, conducting research for his Doctor of Surgery degree (PhD equivalent), and joined the Fremantle Hospital as an academic surgeon in 1988.

Dr. Stacey took on progressive leadership positions including Chair of MAC, Department Head - General and Vascular Surgery, Chair of the Division of Surgery and Anaesthesia, and Head of the School of Surgery and Pathology at the University of Western Australia.

A highly regarded clinician and researcher, he's authored more than 100 peer reviewed publications and book chapters and more than 400 scientific presentations.

Over the past four years, Dr Stacey has been an active member of the Executive Leadership Team as Surgeon-in-Chief, as well as establishing a clinical practice and research in his role as Professor, Department of Surgery, Faculty of Health Sciences, McMaster University.


Dave McCaig
Executive Vice President, Corporate Affairs and Chief Financial Officer

Dave McCaig was appointed Executive Vice President Corporate Affairs & Chief Financial Officer (CFO) for Hamilton Health Sciences (HHS) in 2014. Dave is responsible for information technology, human resources, finance, decision support, health records, legal, privacy, capital, redevelopment, facilities and support services. His focus is finding innovative ways to support the delivery of sustainable, safe, high quality care.

Dave is an executive with over 25 successful years in financial, business development and operational roles in both private and public sectors. Dave was most recently the Vice President & CFO with the William Osler Health System, the second-largest community hospital corporation in Ontario serving Brampton and Etobicoke. There he was instrumental in leading efforts to support sustainable delivery of patient-inspired care including two significant hospital construction projects. He was further cross-appointed to both Headwaters Health Care Centre in Orangeville and the Central West CCAC as Vice President & CFO. Prior to Osler, Dave held several senior finance leadership positions at Bell Mobility/Bell Canada (BCE Inc.) and Yahoo! Inc.

Provincially Dave participates at several Ministry of Health and Long-term Care planning tables regarding health sector funding models. He received an Honours Bachelor of Administration from Wilfrid Laurier University and is a Chartered Professional Accountant (CPA, CMA) recognized by the Chartered Professional Accountants of Canada. 


Dr. Ted Scott
Vice President, Research & Chief Innovation Officer

In this role, Ted is focused on bringing resources, partnerships and thought leadership to the significant efforts that already exist in our organization to develop innovative approaches to the delivery of health care. In addition, Ted serves as the HHS lead for the HHS Innovation Exchange with IBM Canada and is Chair of the Synapse Life Consortium in Hamilton, a collaborative hub to attract companies and investment to develop health innovation in the Hamilton region for global export.
Ted is an expert digital health strategist and has a wealth of experience in industry relations and procurement, as well as innovation policy. He has been instrumental in stewarding industry relationships, providing leadership for numerous, public-private, multi-million dollar projects. In his previous role as Chief Innovation Officer and Dean of Applied Research at Mohawk College, Ted helped to create a culture of innovation and entrepreneurship among students and faculty working in Mohawk’s research centres. He enabled the translation of government funded research, commercialization and technology transfer programs into industry driven projects engaging expert faculty, students and staff.
Ted is a graduate of Mohawk’s Radiography and Sonography program. He returned to HHS where he started his career as a sonographer after working at The Hospital for Sick Children and Huntsville District Memorial Hospital. Ted is a lifelong learner who earned his Masters of Applied Science in Medical Ultrasound and his PhD in Diagnostic Imaging from Charles Sturt University of Australia.


Dr. Peter Fitzgerald
Vice President, Women and Children's Health, and President, McMaster Children's Hospital

Dr. Peter Fitzgerald has been with HHS since 1992. He has held positions as the Head of Pediatric General Surgery, Chief of Pediatric Surgery and the role of Medical Director for McMaster Children’s Hospital. In 2009, Dr. Fitzgerald was also appointed President of McMaster Children's Hospital (MCH).

In addition to his leadership roles, Dr. Fitzgerald is a distinguished surgeon known  innovative work and leadership in minimal access (keyhole) surgery and reconstructive chest wall surgery. He has been integral in establishing the minimal access pediatric surgery program at MCH, where he has been a surgeon for 20 years and continues his important clinical work. H  Dr. Fitzgerald is professor of surgery of McMaster University’s Michael G. DeGrotte School of Medicine.  He is the current president of the Canadian Association of Pediatric Surgeons.

Dr. Fitzgerald’s dual leadership roles in administration and front line medical care, along with medical teaching, provide him with unique insight into the complexity of running a children’s hospital that is committed to high quality care, education and research. Peter understands the need to focus on best care for every child and family, every day.

Provincially, Dr. Fitzgerald has played a leadership role on the Board of the Provincial Council for Maternal Child Health and on the Specialized Pediatrics Subcommittee. He provides counsel and guidance to LHIN 4 for planning and coordination of pediatric services across the system and is a member of the Paediatric Critical Care Advisory Committee.  He is also the incoming Chair of the Canadian Academic Pediatric Health Centre Board.

After graduating from the University of Ottawa with an Honours Baccalaureate of Arts in Psychology and a Master of Arts in Experimental-Theoretical Psychology (Neurosciences), Dr. Fitzgerald attended McMaster University’s Michael G. DeGroote School of Medicine. He completed his postgraduate training in General Surgery in Hamilton and in 1990 moved to Halifax to continue subspecialty training in Pediatric General Surgery.


Rebecca Repa
Vice President, Clinical Support Services and Community Surgery

Rebecca Repa joined Hamilton Health Sciences in 2010 as President of St. Peter’s Hospital and Regional Rehabilitation, and Integrated Vice President, Diagnostic Imaging and Hamilton regional Laboratory Medicine.

She began her career at St. Mary’s General Hospital in Kitchener in 1994 as the Director of Quality and Risk Management. She subsequently joined McMaster University’s Faculty of Health Sciences as the Manager of the Department of Surgery.

Rebecca joined St. Joseph's Healthcare Hamilton in 1994, leading change initiatives with medical staff and the diagnostic departments. She was responsible for over $1 billion dollars of capital redevelopment. Rebecca continues to lead initiatives in Laboratory and Diagnostic Imaging for both St. Joseph’s Healthcare Hamilton and Hamilton Health Sciences as an Integrated Vice President.

Rebecca is a graduate of the Michael G. DeGroote School of Business, McMaster University where she received her MBA. She received a Bachelor of Arts degree in Psychology, also from McMaster University.



Teresa Smith,
Vice President, Adult Regional Care

In this role, Teresa is responsible for the overall operations of HHS’ regional adult programs – emergency, critical care, cardiac and vascular, neurosciences, trauma/burns and regional rehabilitation services.

Teresa is an accomplished, respected and visionary leader who is responsible for a $160 million budget and a portfolio of more than 3,000 staff. She has held management roles health care for more than 20 years and has extensive experience leading people, building teams and developing and improving health care. She has developed the strategic direction for and led the implementation of many corporate-wide initiatives that centre on patient safety, appropriate care delivery, efficiency and quality of care.

Teresa has played an integral role in the creation of an integrated and coordinated regional Vascular Service model as part of the Hamilton Niagara Haldimand Brant LHIN Clinical Service Plan. She has also helped in establishing a strategic partnership with Niagara Health System to oversee the implementation of a cardiac catheterization lab by 2013. She continued to work to develop a provincially recognized Neurosciences Program and assists in sustaining the highest provincial volumes for cardiac surgery, cardiac catheterization and percutaneous coronary interventions.

Teresa holds an MBA in Finance from McMaster University, a Bachelor of Science in Biology from the University of Western Ontario and a Respiratory Therapy diploma and certification from Fanshawe College.


Dr. Ralph Meyer
Vice President, Oncology and Palliative Care, and Regional Vice President, Cancer Care Ontario

Dr. Meyer returned to Hamilton in 2013 following a seven-year term as Director of Canada’s NCIC Clinical Trials Group, an organization responsible for conducting national and international clinical trials that have led to new therapies for cancer patients. 

Dr. Meyer is also a Professor in the Department of Oncology at McMaster University’s Faculty of Health Sciences. An accomplished and highly respected hematologist, Dr. Meyer is regarded as one of Canada’s leading experts in cancer clinical trials. His research has emphasized the testing of new therapies for patients with cancers of the blood and lymph systems including Hodgkin and non-Hodgkin’s lymphoma, multiple myeloma and leukemia. In particular, he is recognized for helping evaluate cancer therapies designed to reduce the long-term side effects of treatment for patients with Hodgkin lymphoma.

Dr. Meyer received his medical degree from McMaster University in 1978 and also completed his residency training in Internal Medicine (1982) and Hematology (1984) here in Hamilton. In 1984, he joined the Department of Medicine, McMaster University and subsequently held the position of Division Director, Hematology, for McMaster University 2000-2006.


Dr. Barry Lumb
Physician in Chief

Dr. Barry Lumb has been a Hamilton Health Sciences staff member since 1985 and is a very highly regarded clinician and educator. He has been involved in a variety of leadership positions at Hamilton Health Sciences and was recently promoted to Clinical Professor in the Department of Medicine at McMaster University.







Dr. Stephen Kelly
Interim Surgeon-in-Chief

Dr. Stephen Kelly is the interim Surgeon-in-Chief at Hamilton Health Sciences (HHS). Before joining HHS, he studied medicine at Cambridge University and St Mary’s Hospital in London in the United Kingdom. After finishing General Surgery training in the U.K. (including a Masters degree in Surgery at Southampton University), he completed a Colorectal Surgery Fellowship at the University of Toronto and joined the Faculty of the Department of Surgery at McMaster University in 2003.

Dr. Kelly is now the Associate Chair of Education for the Department of Surgery. His previous roles at the University include that of Surgical Clerkship Director and Director of the General Surgery Residency Program. He is also the Chair of the Departmental Educational Coordinators Committee and sits on the McMaster Postgraduate Medical Education committee.

Dr. Kelly is currently the Chief of Surgery at the Juravinski Hospital and the Head of Surgical Oncology for Hamilton Health Sciences. For the last five years, Dr. Kelly has been a member of the Executive Committee of the Canadian Society of Colorectal Surgery.    

Dr. Kelly’s research interests include surgical education and colorectal disease.


Kirsten Krull
Vice President, Quality and Performance & Chief Nursing Executive

Kirsten has had a long and distinguished career as a nursing leader. Prior to Hamilton Health Sciences, Kirsten's other positions have included Interim Vice President, Patient Services for Hotel-Dieu Grace Hospital, Windsor, Integrated Vice President, Surgery Services for London Health Sciences and St. Joseph's Health Care in London, Vice President, Patient Program & Chief Nursing Officer at the Royal Victoria Hospital in Barrie; Operations Director, Medical Programs at Humber River Regional Hospital in Toronto; Program Director at York Finch Hospital in Toronto; and organization development and clinical director roles at West Park Hospital in Toronto. 

Kirsten earned a Bachelor degree in Nursing at Ryerson, a Master of Health Sciences degree at McMaster University, and she has finished the required course work towards a Doctoral Degree in Adult Education through the University of Toronto's Ontario Institute for Studies in Education. Kirsten is a Certified Health Executive with the Canadian College of Health Leaders and completed a Canadian Health Services Research Foundation fellowship in 2006 focused on the use of evidence to improve quality and outcomes of care.




Kelly Campbell 
Vice President, Corporate Services and Capital Development

As the VP of Corporate Services and Capital Development for Hamilton Health Sciences (HHS), Kelly is responsible for all facility infrastructure; capital development; clinical planning and corporate services, including purchasing, logistics, biomedical technology, housekeeping, nutrition services, security and parking; across HHS’s six hospital campuses.  Kelly has led significant capital redevelopment for HHS over the years, currently leading the development of the Ron Joyce Children’s Health Center project, the HHS Master Program (Planning Our Healthy Future), as well as a significant infrastructure renewal across all of HHS’s sites.

In her previous role as the AVP of Clinical Planning, Kelly had responsibility for both Clinical Planning and Capital Development associated with the implementation of HHS's Access to the Best Care (ABC) initiative in 2011. In this role, Kelly provided oversight for transition planning and operational readiness prior to the implementation of ABC, the largest clinical realignment in the organization’s history. Prior to this, she served as the Director of Perioperative Services for HHS and was responsible for all aspects of perioperative care across HHS’s acute care sites. Of note, Kelly developed a code of conduct for staff and physicians in the Perioperative program, which was ultimately adopted corporate-wide, and by many peer organizations.

Kelly has held several leadership positions at the provincial level, serving on the Ministry of Health Wait Time Strategy – Surgical Process Analysis and Improvement (SPAI) Expert Panel and as co-chair of the Council of Academic Organizations (CAHO) Facilities Planning Executive committee. Previously, Kelly chaired the Surgical Efficiency Targets Program (SETP) steering committee and the Hamilton Niagara Haldimand Brant LHIN Wait Time Strategy Advisory committee. She has also served as a lead coach on the provincial perioperative coaching teams through the Ministry of Health. Kelly is also very involved with the OHA, chairing the capital session at Health Achieve in November 2013&14 and the OHA annual Capital Planning conference in June 2013.

Kelly has held numerous board appointments including the Mark Preece Family House and currently serves on the board of the Medbuy Corporation and the HHS Volunteer Association. Kelly recently obtained the Chartered Director (C.Dir.) designation from The Directors College (a joint venture between McMaster University and The Conference Board of Canada).


Mark Farrow
Vice President, Health Information Technology Services and Chief Information Officer

As Vice President of Health Information Technology Services (HITS) and Chief Information Officer for Hamilton Health Sciences, Mark oversees a $19M operating budget with a staff of over a hundred.  Reporting to Mark is HITS Infrastructure Service & Solutions, Telecommunications, HITS Informatics & HITS Medical Informatics, HITS Client Services, HITS Security Office and HITS eHealth Office. Mark is also responsible for oversight of Enterprise Risk Management.

Mark has been involved with numerous projects at a regional and provincial level including work on electronic health records and provides services to 5 other hospitals and the Local Health Integration Network.

Mark was appointed the eHealth Lead and Chief Information Officer for the Hamilton Niagara Haldimand Brant Local Health Integration Network (HNHB LHIN) where he will oversee the coordination and strategic development of eHealth solutions for the LHIN. He is also Vice President and Chief Information Officer for St. Josephs Healthcare Hamilton.

Mark was named a 2014 Premier 100 IT Leader by Computerworld for his IT leadership and vision. He was also awarded the 2011 Health Care Chief Security Office of the Year, by the Editors of SC Canada Magazine at the SC Canada Congress, Data Security Conference and Expo (June 2011).

Mark has written numerous articles and speaks at conferences across North America on hospital information systems, Radio Frequency Identification (RFID), Portfolio Project Management, mHealth and the electronic health record.

Mark holds a Bachelor of Commerce in Finance and an M.B.A. in Information Management both from McMaster University.


Sharon Pierson
Vice President, Community Medicine and Population Health

Community Medicine and Population Health portfolio programs support and lead the advancement integrated health services from community through to post acute care.  Designed to enhance the patient and family experience, the programs have unique care and service mandates and a  collective  accountability to  enhance transitions across the health continuum.

Sharon is a collaborative and experienced leader and highly committed to the delivery of exemplary care and services. In her previous role as Vice President of Quality and Performance, Sharon led the advancement of Quality and Operational Performance at HHS and was accountable for services including Patient Safety, Quality Improvement, Patient Experience, Pharmacy and Operational Planning.  With Sharon’s innovative leadership, HHS’ quality and performance team has collectively demonstrated exceptional skill and expertise resulting in numerous publications and presentations along with multiple provincial and national awards.   

As an active member of multiple local, LHIN and provincial committees,  Sharon has had opportunities to contribute to system discussions and policy development. She is a past member of  Ontario’s Excellent Care for All Act Advisory Committee,  a current member of the provincial Access to Care  ER Advisory Committee and co-chair of the HNHB LHIN  Emergency Services Steering Committee.  As a  graduate of  Mohawk College’s  Nursing Diploma program, Sharon was recognized in 2012 with an Alumni of Distinction Award for her career achievements and professional contributions to nursing.  Sharon also  holds a  Bachelor of Science in Nursing from McMaster University; a  Masters of Public Administration from Queen’s University and is a graduate of the Rotmans Advanced Health Leadership Program at  the University of Toronto.


Pearl F. Veenema
President & CEO, Hamilton Health Sciences Foundation

Pearl Veenema provides leadership and strategic planning to the Foundation in order to achieve its annual fundraising objectives.

Pearl is a Fellow of the Association for Healthcare Philanthropy, and was previously Vice President, Advancement for the Toronto General and Western Hospital Foundation. With more than 15 years experience in hospital philanthropy, Pearl also has direct experience in public relations, nursing and health care management. 






Aaron Levo
Vice President, Communications and Public Affairs

As the Vice President, Communications and Public Affairs, Aaron leads a team of communications professionals who work to enhance the reputation and profile of Hamilton Health Sciences’ seven unique hospitals and cancer center.

Aaron has led public affairs teams for several well-known national health organizations, including the Mental Health Commission of Canada, the Canadian Cancer Society and the Canadian Dental Association. He has helped build large-scale public campaigns focused on influencing stakeholders and all levels of government in Canada, including the launch of Canada’s first Mental Health Strategy, but also nationwide initiatives for access to care, housing first and tobacco control. Prior to his career in public affairs, Aaron worked for a federal Cabinet Minister.

He holds a Honors Bachelor of Arts degree in Canadian studies from Carleton University. Aaron has served on the Board of Directors  for the Canadian Cancer Action Network and is the past-Chair of the Canadian Coalition for Action on Tobacco. He currently co-Chairs the Public Affairs Committee of the Council of Academic Hospitals of Ontario.



Mark Haley 
Vice President, Human Resources

Mark Haley joined Hamilton Health Sciences in 2017 as its Vice President of Human Resources. He has oversight on all HHS activities related to talent management, HR support to all areas of our organization, labour relations and employee health, safety and wellness. Mark's goal is to create a people plan and align human resources policies, practices and processes with the overall vision, mission and values of HHS to ensure staff are enabled to help meet the health needs of the community.

Mark is an experienced and successful HR leader with more than 30 years as a senior leader in organizations across Ontario and Alberta, including the Provincial Health Authorities of Alberta, Ontario Institute for Cancer Research and McMaster University. Mark has guided organizations through large-scale change and culture shifts to instill excellence and deliver high quality HR services to employees and customers. Mark is a strong advocate for mentoring individuals and is recognized for his accomplishments in building high performing teams.

Mark holds the Certified Human Resources Leader designation, and has post-secondary education in Talent Management, Industrial Relations and Economics through institutions such as Acadia University, University of Toronto and Stanford University.


Anna Ventresca
Vice President, Legal Services and General Counsel 

Anna Ventresca is Vice President Legal Services and General Counsel. She was admitted to the Bar in 1994, following degrees from Western University and McMaster University, and has practiced almost exclusively as in-house counsel with multinational, public companies. Anna brings extensive knowledge of corporate governance and compliance gained through roles at Nortel and Philip Services.  While in the private-sector, as General Counsel and Corporate Secretary she provided oversight of all legal matters and worked closely with the executive team and Board of Directors to fulfill the goals and objectives of the organization.  As Chief Compliance Officer she was responsible for ensuring compliance with a broad range of regulatory requirements. Anna served on the Board of Directors for the past two years.  She is also very committed to the Hamilton community, and has served on the Boards of the Art Gallery of Hamilton, Hillfield Strathallan College and our partner Mohawk College.





Michele Beals
Vice President, Finance & Deputy Chief Financial Officer

Michele is responsible for the effective stewardship of HHS’ financial resources. Within the finance portfolio, she oversees the functions of controllership, planning & analysis, investments, health records & registration, regional integrated decision support and privacy.

Before joining HHS in 2015, Michele served as a senior leader at William Osler Health System for almost 12 years, and also worked in the private sector for 10 years.

In her roles as Executive Director, Financial Planning & Analysis, and Interim Integrated Vice President of Finance & CFO at Osler, Michele was instrumental in leading the finance team to support a regional vision. She made numerous contributions including working to secure provincial funding; transforming Osler’s financial planning team; expanding the financial toolkit for leaders; and implementing procurement best practices and governance.  

With over 20 years of accumulated experience, Michele’s knowledge and expertise will greatly contribute to HHS’ financial sustainability.

Michele is a CPA, CA and holds a MBA from York University.








Hamilton Health Sciences • Hamilton, Ontario • 905.521.2100

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