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Leadership Team

​​​​​​Catherine Brown

​Chief Executive Officer

Catherine Brown is Health Shared Services Ontario’s inaugural CEO who brings a proven record ofPhoto of Catherine Brown leadership that spans Ontario’s public sector to the role.

Catherine is the former CEO of the Ontario Association of Community Care Access Centres (OACCAC). From 2014 to 2017, she led a team of 200 to provide a broad-range of leading-edge technology solutions and member services to CCACs to support and advance the effective and efficient delivery of home and community care across Ontario.

Prior to her appointment to the OACCAC, Catherine was a longstanding Ontario public servant. Most notably, she was Assistant Deputy Minister at both the Ministry of Health and Long-Term Care and the Ministry of Government Services, where she led complex policy agendas and reform mandates. Catherine also held senior leadership positions at the Ministry of the Environment and Cabinet Office. She initially joined the Ontario Public Service in policy roles at the Ontario Women's Directorate.

Catherine has been active volunteer who spent considerable time on community-based boards with a focus on mental health.​​

​Heidi Hay

Vice-President, Program Innovation and Planning

Heidi Hay has 15 years' experience in Ontario health care. She joined Health Shared Service Photo of Heidi HayOntario (HSSOntario) from the Local Health Integration Networks (LHINs), where she launched the​ LHIN Collaborative (LHINC) to provide centralized leadership on pan-LHIN projects and speed the adoption of leading practices.

Heidi has led strategy development for numerous large-scale change initiatives with the LHINs, Community Care Access Centres (CCACs) and the Ministry of Health and Long-Term Care, notably the merger of five Toronto area CCACs.

Heidi is former Vice-President, Strategic Management, at Public Services Health and Safety Association (PSHSA). She has an MBA from the Rotman School of Management, University of Toronto.

Kathryn McCulloch

Vice-President, Care Innovations and Planning​

Kathryn McCulloch brings a breadth of expertise to Health Shared Services Ontario (HSSOntario),Photo of Kathryn McCulloch having worked collaboratively across the health care system with Local Health Integration Networks (LHINs), hospitals, home and community care, and other health partners.

Prior to joining HSSO, she was Vice-President at the Ontario Association of Community Care Access Centres (OACCAC).

Previously, Kathryn was part of the team that developed the Local Health System Integration Act, 2006, for the Ministry of Health and Long-Term Care (MOHLTC). Following the passage of that legislation, she joined the LHIN Liaison Branch—first as manager, later as Director. She also served as interim Assistant Deputy Minister in the Health System Accountability and Performance Division at MOHLTC.

Kathryn holds a law degree from Osgoode Hall, York University, as well as a master's degree in industrial relations from the University of Toronto.​​

David McLelland

Chief Information Officer and Vice-President, eHealth Strategy​

David McLelland is a senior information technology (IT) and operations executive with more thanPhoto of David McLelland 25 years' experience in the private and public sectors.​

Dave joined Health Shared Services Ontario (HSSOntario​) from the Ontario Association of Community Care Access Centres, where he led a team of more than 100 software developers and engineers in designing, implementing and maintaining Client H​ealth & Related Information System* (CHRIS*), a web-based, patient-management solution that established Ontario's home and community care sector as the only part of the provincial health care system with a single, integrated eHealth platform.​

Before moving into health care, Dave worked in product development for companies such as Bell Canada and Nortel Networks, as well as technology start-ups.​

Glen Medeiros

Vice President, Finance and ​Enterprise Projects

Glen joined HSSOntario as Vice President, LHIN Enterprise Projects, he supports HSSOntario’s work with the LHINs to identify and scope new enterprise-wide shared services aligned with the goals of the Patients First initiative.  ​​​​​ Glen has held a number of senior management positions in his 30 years in the Ontario Public Service, most recently as the Assistant Deputy Minister, LHIN Corporate Services Initiative, with the Ministry of Health and Long-Term Care.  Glen is a Chartered Professional Accountant (CPA, CMA) and holds a Master of Business Administration (MBA).

Jason Tooral
Vice-President, Provincial Labour Relations and Human Resources

Jason brings proven human resources leadership experience to HSSOntario from a number of organizations, including the Canadian Hearing Society (CHS), where he recently served as Senior Director of Human Resources.  Photo of Jason TooralHe has also worked in the manufacturing, service, and communications industries in senior human resource roles and has an impressive array of HR designations, including the Certified Human Resources Executive (CHRE) designation with the Human Resources Professionals Association. Jason holds a Master of Business Administration (MBA) from Centenary University, as well as an undergraduate degree in Industrial Relations Management from the University of Toronto.