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. In her current role, she is responsible for overseeing the strategy, planning, and implementation of over $100B in infrastructure projects across Ontario.

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 Development Officer, Heather Grey-Wolf oversees IO’s work on transit-oriented communities, leveraging surplus lands for government priorities such as long-term care, and supporting master development exercises like the redevelopment of Ontario Place.

Heather’s experience is a unique blend of development leadership across the public and private sectors. Most recently, as Senior Vice President at Capital Developments, Heather was responsible for a $2.1 billion development and construction portfolio. Prior to that, Heather established a $1 billion national multi-family development program with Realstar Management.

As a senior development leader with the Toronto Community Housing Corporation (TCHC) for seven years, Heather led the revitalization of the 69-acre Regent Park, the largest urban renewal project in Canada. Heather’s team was responsible for the relocation of 2,000 families, the demolition of 54 buildings, and the delivery of roads, parks, community infrastructure, 300,000 square feet of commercial space, and 7,500 units of multi‐family housing. In five years, Heather and her team delivered over 1,850 units of multi‐family housing (over 700 rental units and 1,150 condominium units) on time and on budget.

Heather is passionate about the outdoors and spends her spare time swimming, running, biking, and hiking with her family. Heather has an MBA from the Rotman School of Management at the University of Toronto, a B.Arch and B.Sc 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, sustainability, 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.  

Amar Singh is the Executive Vice President of IO’s Commercial Advisory and Strategy practice.

This combined practice provides targeted commercial advice, complex deal-making and digital capabilities to aid government in tackling some of its most intractable public-policy challenges.

Amar and his team are accustomed to leading files through politically charged and commercially complex situations where the stakes are high and solutions require a first principles perspective to challenge the status quo, define an executable vision and relentlessly and systematically drive toward outcomes.

Almost all engagements require deeply strategic policy partnerships across ministries, central agencies and other levels of government.  In many situations, his team is able to bring an enterprise lens that harness functional capabilities across IO to bring forward unique commercial solutions.

Amar is a Certified Public Accountant and Wilfrid Laurier MBA.  He is a career public servant - spanning policy and execution-oriented roles in healthcare reform, economic and environmental portfolios, and wide scale program review.  IO provides an opportunity for him and his team to work with partners across government, governments, and the market to maximize our public impact and truly live IO's vision of creating a connected, modern, and competitive Ontario.

Priyal Thakrar, Chief Financial Officer and Executive Vice President, Lending and Technology, joined Infrastructure Ontario in 2019. In this role, he leads the Finance, Risk, Audit, Strategy, Information Technology, Infrastructure Lending and Commercial Projects teams.

Priyal brings more than 20 years of international experience in finance, strategy and transformation, mainly in the financial services and technology industries. His most recent position was with Scotiabank as Vice President, Financial Planning & Analysis and Transformation with its International Banking Division. He has also held leadership positions at Manulife, Aviva, Canada Life and BMO.

He holds a Bachelor of Commerce degree from Carleton University, an MBA from York University and is a CPA, CMA.

Eric Tilley, General Counsel, joined Infrastructure Ontario in 2010 and has been leading the Legal Services team since late 2014. As General Counsel he is responsible for all legal affairs and services being delivered at IO. He also leads the Transaction Finance team and the newly formed Dispute Management Office at IO.

As the head of the transaction structuring and legal teams, Eric leads a team of professionals that advises on strategic matters related to risk allocation, project structuring and market conditions. His team is responsible for providing transaction structuring for all phases of projects and transactions, including structuring, procurement, negotiation, implementation and delivery. Further, through the Dispute Management Office, his team ensures the consistent treatment of disputes as they arise. 

Eric joined Infrastructure Ontario in 2010 after having practiced commercial real estate law for both McMillan LLP and Goodman and Carr LLP.

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