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Leadership Team

​​​​​​​​​Catherine Brown

​Chief Executive Officer

Photo of Catherine Brown

Catherine Brown is the inaugural Chief Executive Officer of Health Shared Services Ontario (HSSOntario), having previously served as the CEO of one of HSSOntario's founding agencies, the Ontario Association of Community Care Access Centres (OACCAC).

As chief executive, leading a team of 200 technology and business specialists, Catherine has overall accountability for HSSOntario's broad suite of shared services and technology solutions that support the province's overall health system integration and innovation mandate.  

Catherine brings a proven record of leadership spanning 25 years in Ontario's public sector. Prior to her appointment to the OACCAC, Catherine was a longstanding Ontario public servant, having served as an 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 an active volunteer who spent considerable time on community-based boards with a focus on mental health. ​


​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. H​e supports HSSOntario’s work with the LHINs to identify and scope new enterprise-wide shared services.​​​​​ 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.




MIREN CHAUHAN

VICE PRESIDENT, CORPORATE SERVICES​

Miren Chauhan is a senior corporate services leader with a wide breadth of experience across the provincial and federal public sectors. He has been with Health Shared Services Ontario Photo of Miren Chauhan(HSSOntario) and its predecessor organization, the Ontario Association of Community Care Access Centres (OACCAC), for more than a decade. Over that time, Miren has led numerous functions, including Business and Operational Planning, Project Management, Product Management, Information Management, Procurement, Privacy and Security and Enterprise Risk Management. He has significant experience in large transformation initiatives and complex technology system implementations. Before joining the organization, Miren worked as a consultant, providing strategic project management, performance measurement and risk advisory services to his clients.