Executive Team

To support the OHA’s members and the strategic direction of the Board of Directors, day-to-day operations of the Association are led by President and CEO Anthony Dale and supported by the OHA’s senior management team.


Anthony Dale

President and CEO

Anthony Dale is President and CEO of the OHA. Appointed to this role in 2013, he is dedicated to an agenda of policy innovation, relationship-building and high standards of member engagement and service. He has been at the OHA since 2004, most recently as Vice President, Policy and Public Affairs.  Previously he served as an aide to Michael D. Harris, Ontario’s 22nd Premier, and to Elizabeth Witmer in her capacities as Minister of Health and Long-Term Care and Minister of Labour. He has also worked as a consultant at a leading public affairs consulting firm.

He is a Member of the Board of Trustees for the Healthcare of Ontario Pension Plan (HOOPP), and a Board Member of The Change Foundation, a Toronto-based health care think tank.  Anthony has served as a Trustee of the Canadian Museum for Human Rights in Winnipeg and as a Member of the National Roundtable on the Environment and the Economy, appointed in both instances by the Government of Canada. He also sits on numerous advisory groups and panels within Ontario's health care system.
Anthony holds a Master of Public Administration and a Bachelor of Arts (Honours) degree in political studies, both from Queen's University. He has also completed the Accelerated Development Program (ADP) in General Management at London Business School in the United Kingdom.

Elizabeth Carlton

Vice President, Policy and Public Affairs

Appointed in March 2014 as Vice-President of Policy and Public Affairs, Elizabeth is responsible for advancing the Association’s advocacy efforts in support of members and their partners, strategically positioning the OHA as an influential leader in shaping the future of Ontario’s health care system. This includes leading OHA initiatives relating to Health System Funding Reform (HSFR), system integration, patient safety and quality, legislative/legal issues, as well as dedicated thought leadership mandates furthering system reconfiguration, patient experience and hospital-physician alignment.

Prior to her appointment, Elizabeth served as OHA’s Director of Policy, Legislative & Legal Affairs, providing leadership for advocacy efforts respecting systemic reform and accountability issues. As co-lead for the OHA’s Governance Centre for Excellence, Elizabeth was also responsible for the development of governance policy and best practice documents such as the Guide to Good Governance. She has a law degree from the University of Western Ontario and received a Master of Laws from Osgoode Hall Law School. More recently, Elizabeth has completed training on governance and leadership at the Institute for Corporate Governance and the Harvard Business School. She has also served on the board of the Michener Institute and on the Ontario Bar Association Health Law Executive.

David Brook

Vice President, Labour Relations & Chief Negotiations Officer

As Vice President, Labour Relations and Chief Negotiations Officer, David provides strategic leadership to OHA members in collective bargaining, labour relations and group benefits.  Emphasizing member engagement, collaboration and service, David and his team lead the negotiation of province-wide central collective agreements covering over 100,000 employees on behalf of OHA members.  His team also oversees the administration of the OHA sponsored group benefits program with a focus on protecting long-term stability and enhancing the value of this program for members. 

Prior to joining the OHA, David’s professional experience included roles responsible for representing complex stakeholder groups in province-wide collective bargaining and leading benefits, compensation and human resources strategies and administration for Ontario’s Colleges of Applied Arts and Technology as the Chief Executive Officer of the College Employer Council and also in senior roles within the Ontario Public Service. David also has experience working within Ontario’s healthcare system at the University Health Network, where he provided strategic labour relations advice and support in addition to negotiating collective agreements with multiple bargaining agents.

David holds a Master of Industrial Relations from Queens' University and a Master of Laws in Labour and Employment Law from Osgoode Hall Law School.

Hazim Hassan

Vice President, Business Planning and Strategy


Hazim is the Vice President of Business Planning & Strategy at the Ontario Hospital Association where he has Executive responsibility/sponsorship for the entire corporate planning cycle from strategy development to operational execution. His responsibility include long term strategy, business planning, financial management, Board/membership engagement, and oversight of the Data & Analytics team. He is also the CFO of OHA legacy fund, an affiliate investment organization designed to further advance the OHA's strategic direction
His professional experience spans many facets of the healthcare system. Prior to joining the OHA, he served for several years as Executive Director of one of Canada's largest Ophthalmology Institutes, oversaw the healthcare portfolio as an Associate Director at Bell Canada, and managed partnership in community care. His academic achievements include the completion of the Executive Program in Managing Healthcare Delivery at Harvard Business School, a Masters of Business Administration (MBA) and an Honours Bachelor of Commerce from McMaster University.