Senior Executive Team

David Livingston

President and Chief Executive Officer
As President and Chief Executive Officer of Infrastructure Ontario, David leads the crown corporation responsible for both managing the renewal of Ontario’s public infrastructure and managing the Ontario government’s real estate portfolio.

 

David obtained his B.Sc from the University of Western Ontario in 1973 and his MBA from Queen’s University in 1976. He and his wife have two grown children.

 

David is a Director of Infrastructure Ontario, eHealth Ontario, Ovarian Cancer Canada and the Children’s Aid Society of Toronto.


Antonio De Santiago

Executive Vice President, AFP and Major Projects
Antonio oversees the strategy, planning and delivery of all assigned AFP projects, including social, civil and technology infrastructure.

 

Prior to joining Infrastructure Ontario, Antonio was the President & CEO of 407 ETR. He brings extensive leadership experience in civil and construction projects involving public-private partnerships and multiple joint ownership models, having worked for numerous high-profile international companies such as CINTRA, Construcciones Hogarsur and Agroman in Europe.

 

Antonio was a catalyst at 407 ETR in aligning the senior management team to achieve challenging operational and financial goals; building Ireland's Eurolink Motorway Operation Limited from ground level to a fully-operational business in just three years; and, closest to his heart, leading the complicated major renovation of Barcelona's signature soccer stadium in just four months.

 

Antonio is a Civil Engineer with an Executive MBA from IESE Business School of the University of Navarra, Spain.


Bill Ralph

Chief Risk Officer
Bill is responsible for providing financial and strategic advice and support to senior management, the CEO and the Board, and for corporate oversight and reporting to the Board on the overall risk exposure of the organization. In addition, Bill is responsible for the corporate functions of Corporate Relations, Finance, and Treasury and Risk Management.

 

With over 25 years of financial and managerial experience with the Government of Ontario, Bill is a proven leader in shaping the way that infrastructure projects are financed and delivered in Ontario. He established the Ontario Strategic Infrastructure Financing Authority (OSIFA) - an innovative, affordable and efficient public infrastructure loan program and the first of its kind in Canada. Prior to OSIFA, Bill led the development of Ontario's Infrastructure Planning, Finance and Procurement Framework as well as a number of high-profile projects for the Ministry of Finance.

 

Bill has an Honours BA in Economics from Queen's University and an MBA from York University.


George Stewart

Executive Vice President, Ontario Lands
George is responsible for property development including strategic asset management and sales and acquisitions.

 

George has over 25 years of diverse experience developing commercial real estate across Canada and held senior development roles with some of Canada's largest developers such as Oxford Properties Group, Borealis Real Estate, Morguard Investments and Cambridge Shopping Centres.


Jonathan Weisstub

Head of New Partnerships
Jonathan joined Infrastructure Ontario as Head of New Partnerships after leading government wide expenditure management initiatives as Assistant Deputy Minister and Head of the Program Review Secretariat, Ontario Ministry of Finance.

 
Prior to joining the Ontario Public Service, Jonathan served as Vice President, Corporate Affairs for Gabriel Resources, a TSX listed gold company. Prior to joining Gabriel Resources, he practiced with the law firm of Stikeman Elliott LLP in the area of securities and corporate law, specializing in public and private mergers and acquisitions, as well as private equity transactions and corporate finance.

 

Jonathan has also served as Senior Policy Advisor to the Prime Minister of Canada, from 2004 - 2006. Jonathan has a B.A. from McGill University, a M.Phil in Politics from Oxford University and a law degree from the University of Toronto. He is a member of the Law Society of Upper Canada and the New York State Bar Association.

 


Mary Lowe

Chief Development Officer  

As Chief Development Officer, Mary Lowe is responsible for growing Infrastructure Ontario’s project delivery and lending businesses. Mary has over 15 years of experience managing teams and projects with significant budgets to deliver high quality results in a range of sectors. With a background in strategic communications, she has provided counsel to Boards of Directors, CEOs, CFOs, government Ministers and Deputy Ministers. Mary has recently rejoined Infrastructure Ontario after serving at the Ministry of Health and Long-Term Care. Prior to this, she was one of the first staff at Infrastructure Ontario and held two executive roles: Vice-President, IT Project Delivery and Vice-President, Communications and Corporate Relations.


Toni Rossi

Executive Vice President, Real Estate Management
As Infrastructure Ontario’s Executive Vice President of Real Estate Management, Toni is responsible for Asset Management, Realty Services and Client Program Delivery.

 

Toni previously served as Senior Vice-President, Development and Project Services at Ontario Realty Corporation. With 20 years experience at two of Canada’s largest real estate companies, Cadillac Fairview and Oxford Properties Group, Toni held numerous progressive positions in retail and office property management and development, corporate business reengineering, national marketing and national property operations.

 

Over the years, Toni has and continues to serve the community on many industry, sport and philanthropic Boards and committees including Chair of the Board for Habitat for Humanity Toronto (2008 to 2010) and TorontoCREW. Ms. Rossi holds an Honours Bachelor of Physical and Health Education from the University of Toronto.