Executive Team

Angela Clayton was appointed President and CEO of Infrastructure Ontario in July 2025.

With over 25 years of experience in the infrastructure sector, Angela has extensive experience working in both the public and private sectors in the areas of strategic planning, risk management, and program management.

Angela is a Chartered Professional Accountant with a bachelor’s degree in commerce.  She also holds several professional designations, including her Institute of Corporate Directors, Director (ICD.D), Project Management Professional (PMP), Financial Management Administrator (FMA) and Real Property Administrator (RPA).

She is a passionate advocate for women in the infrastructure sector and actively seeks ways to make meaningful contributions to her community through her involvement in industry associations and volunteer efforts.

Kim Ellis, Executive-Vice President, Corporate Services, joined Infrastructure Ontario in 2015 to lead a team of professionals who have the overall accountability on all Human Resources matters within the organization. Together, the Corporate Services team provide the systems, tools, processes and information technology that help IO's people to do their best work every single day.

Kim brings with her more than 25 years of experience in Human Resources within the technology, healthcare, infrastructure and financial services sectors. She specializes in employee relations, labour relations, training, and employee development. Her most recent experience prior to IO was with SNC-Lavalin as Vice-President, Human Resources.

A Queen's University graduate, Kim also holds a Certified Human Resources Leader (CHRL) designation.

As Chief Investment Officer, Heather Grey-Wolf oversees IO’s Development and Asset Management business lines, leading the organization’s work on transit-oriented communities, landmark and social purpose projects, as well as the management of the provincial government’s building and land portfolio.

Heather’s expertise is a unique blend of leadership in both the public and private sectors. She has over 20 years experience in the real estate, development and construction industry across Canada. Heather is passionate about leading programs at scale, building team culture and driving results for government.

Heather holds an MBA from the Rotman School of Management at the University of Toronto, a B. Architecture and B. Science (Architecture) from McGill University, and is a licensed architect with the Ontario Association of Architects.

As Chief Strategy Officer, Jeff Parker oversees IO’s strategic enterprise services division, inclusive of IO’s corporate strategy, strategic engagement, transformation, communications, data and knowledge management functions. This follows previous roles at IO building and leading teams in partnerships, strategic planning, research and insights.

Prior to joining IO, Jeff’s career has focused on public policy, research and analysis. He previously served as Research Officer and staff political scientist at the Legislative Assembly of Ontario’s Library and Research Services and as Senior Manager, Policy, at the Toronto Region Board of Trade. Jeff has also held various academic roles at Western and Queen’s Universities, as well as the Royal Military College. He has authored a book and several other articles and policy papers.

Jeff is a respected public sector leader, teacher and public policy expert, holding a Ph.D. in Political Science.

As Chief Commercial Officer and General Counsel, Eric Tilley oversees IO’s legal, commercial, and technical services teams.

Eric joined Infrastructure Ontario in 2010 after having practiced commercial real estate law for both McMillan LLP and Goodman and Carr LLP and has led the Legal Services team since 2014.

Eric obtained his LLB from the University of Ottawa in 2004 and was called to the Ontario Bar in 2005.