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Metrolinx Senior Management Team


Phil Verster, President & Chief Executive Officer

Phil Verster is the President & Chief Executive Officer at Metrolinx.

Phil oversees a team committed to transforming transportation in the GTHA. With a strong community and customer service emphasis, Metrolinx is delivering quality transportation services on time and on budget, and working collaboratively with our partners – all key elements to delivering on the promise of Metrolinx’s Regional Transportation Plan.

Prior to joining Metrolinx, Phil was one of the UK’s rail leaders, having managed train operations, infrastructure builds and infrastructure management for passenger rail systems in England, Scotland and Ireland.

An engineer by training, Phil began his career in the electricity sector in his native South Africa. From 2001 to 2003, he was Depot Manager and Production Director for a UK division of Bombardier Rail. In 2003, Phil moved from the supplier side to passenger rail operations at Southeastern Trains. He then spent five years at Irish Rail, where he served in different roles, including Deputy CEO.

In 2011, Phil joined Britain’s Network Rail. His first assignment was Managing Director London North East and East Midlands Route , the second largest route in the Network Rail system. He pioneered a new approach to structured continuous improvement that delivered improved safety and train performance as well as an enhanced passenger experience. Phil put the same innovation and discipline to work in his subsequent assignment for Network Rail running Scotland’s ScotRail passenger rail service, from 2015 to 2017. In early 2017, Phil served as Managing Director of Network Rail’s East West Railway.

Phil has a Bachelors of Engineering and a Masters of Engineering, both from the University of Stellenbosch in South Africa. He has an MBA from the University of Newcastle Business School and an LLM Post Graduate Diploma (Commercial Law) from the University of Northumbria, both in the UK.


Mary Meledes, Executive Assistant

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Peter M. Zuk, Chief Capital Officer

Metrolinx is undertaking the largest transit build in Canadian history and is in the process of delivering over $32 billion in transit projects with 31 municipalities. With a strong team in the Capital Projects Group and transit partners at Infrastructure Ontario, municipalities and transit authorities, we are delivering and overseeing the large and growing program of transit expansion projects in the GTHA. The program includes planning and construction of five new Light Rail Transit systems, Bus Rapid Transit improvements and the GO Regional Express Rail initiative.

Peter has established an international reputation as a practitioner and subject matter expert in the planning and delivery of transformational urban infrastructure projects. He has served as Project Director of the Central Artery Tunnel Project (Boston’s “Big Dig”), he oversaw the largest telecommunications project in the United States (the Level 3 Intercity fiber-optic network), and he served as Chief Programmes Officer and as a member of the Board of Directors of the London Underground, where he oversaw all construction and maintenance activities including a $30 Billion program of infrastructure improvements called “Transforming the Tube.”

Peter has a BA, English and Political Science, Colgate University, Hamilton, NY and JD, Boston College Law School, Boston, MA.


Lori Hope, Executive Assistant

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Judy Pfeifer, Chief Communications & Public Affairs Officer

Judy Pfeifer is Chief Communications & Public Affairs Officer at Metrolinx.

Judy oversees all aspects of Metrolinx’s communications strategy, and is responsible for overseeing corporate reputation, communications planning, internal and external communications, media relations, as well as government, community and stakeholder engagement.

Most recently, Judy held the position of Vice-President and Practice Lead with Hill+Knowlton Canada, where she implemented integrated communications plans in support of business objectives for clients in the private, public and not-for-profit sectors.

In her previous positions with the Toronto Community Foundation, Ontario Ministry of Municipal Affairs and Housing and City of Toronto, Judy provided leadership in policy, communications and stakeholder management.

Judy currently serves on the board of WoodGreen Community Services. She has previously served as the Vice-Chair of the Liveability Committee as a member of the Policy & Advocacy Committee with the Toronto Region Board of Trade, was a board member with Environmental Defence and was a founding member of the Emerging Leaders Network (CivicAction).

She is also a sought-after speaker on communications and stakeholder relations.

Judy holds an Honours Bachelor of Arts in Political Science from Carleton University and a graduate Certificate in Human Resources Management from Seneca College.


Tracey Carvery, Executive Assistant

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Mary Proc, Chief Customer & Marketing Officer (A)

Mary Proc is the Chief Customer Experience and Marketing Officer (CCMO) at Metrolinx.

Mary’s marketing team oversees the acquisition of new customers for GO, PRESTO and UP by developing innovative products, services and partnerships. Her Customer Experience, Research and Analytics teams ensure that the “Voice of the Customer”, and international best practices, are at the centre of all that Metrolinx plans and delivers. Her Business Development group is focused on new ways to raise non-fare revenue to help reduce the public subsidy of transit in the future.

In her former role as Vice President of Customer Service Delivery, Mary developed the multi-year customer service strategy at GO Transit and had over 900 staff who supported GO Transit, Union-Pearson Express, and the PRESTO farecard system. She was responsible for all 66 rail stations including Union Station.

Mary was previously Senior Director at the CIBC for eight years.

Prior to that, Mary worked with Canadian Airlines, running the operations of their Toronto reservations office, and as an Assistant Deputy Minister in Cabinet Office and with the Ministry of Transportation.

Mary was the 2015 President of the Toronto Railway Club, a founding Director of Women in Transportation Seminar, and the founding Chair of the Customer Orientation Task Force for the Canadian Urban Transit Association. She also served on the advisory board of the Conference Board Council for Customer Experience. In 2015-16, Mary was named “Outstanding Woman of the Year” by Progressive Railroading Magazine and the North American-based League of Railway Industry Women. She has published on customer service and is a frequent conference speaker.

Mary holds a Bachelor of Arts and a Master of Arts in political science from McMaster University.


Averil McIntyre, Executive Assistant

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Robert Siddall, Chief Financial Officer

Robert Siddall is Chief Financial Officer at Metrolinx.

Robert oversees the long-range and day-to-day fiscal and fiduciary obligations of the organization and works closely with the Metrolinx executive group on corporate direction, strategy and financing.

Robert has over 30 years of senior management experience, covering a wide range of strategic and financial functions in both the private and public sectors.

Prior to Metrolinx, Robert was Chief Financial Officer for Waterfront Toronto Corporation and previously held the position of Provincial Controller with the Province of Ontario. He has taken part in two major Canadian Institute of Chartered Accountants research studies, including costing of government services, and three standard setting task forces.

He currently serves as Chair of the Task Force on the Accounting for Financial Instruments project.

Robert holds a Bachelor of Commerce from the University of Toronto and is a Chartered Accountant.


Andrea Crockford, Executive Assistant

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Helen Ferreira-Walker, Chief Human Resources Officer

Helen Ferreira-Walker is responsible for human resources programs and services that help Metrolinx meet its strategic goals. This includes HR Strategy and execution, Employee Engagement, total rewards, health, safety and wellness, leadership and organization development, employee/labour relations, workforce planning, and staffing and employment for Metrolinx.

She has more than 20 years of HR experience in the public sector. She joined Metrolinx in 2010 as Director, Human Resources. Prior to joining Metrolinx, she was Executive Director, Human Resources at the Corporation of the City of Brampton, where she had accountability for overall management, leadership, direction and support for delivering programs and services designed to enhance business performance in the areas of leadership development, health and safety and labour relations. She has also held progressive positions at the University of Toronto and the Workplace Safety and Insurance Board.

Helen has a post graduate certificate in Industrial Relations from Queen's University, has earned both the Certified Human Resources Professional (CHRP) and Senior Human Resources Professional (SHRP) designations, and is currently working towards her MSC in Human Resources Management.


Fiona Loranger, Executive Assistant

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Greg Percy, Chief Operating Officer

Greg Percy is Chief Operating Officer, responsible for leading GO Transit and UP Express operations, and contributing to the leadership and strategic direction for Metrolinx.

Greg was previously Vice-President, GO Capital Infrastructure where he provided leadership for the delivery of a $1.2 billion capital plan for the design, construction and delivery of more than 250 civil engineering infrastructure projects.

Previous to this, Greg was the Vice-President, GO Operations, where he had leadership responsibility for rail and bus service delivery, rolling stock acquisitions, maintenance facilities and service delivery partner contract oversight.

Greg’s 34 years of experience in the Canadian transportation industry spans both the private and public sectors.

He spent 18 years with Canadian Pacific Railway in various marketing and operations positions, then joined GO Transit as Director, Rail Services in early 2000. He left GO Transit for two years for a post as Vice-President, Transit with an international engineering consulting firm, before re-joining GO Transit as Vice-President, Operations in 2008.

Greg is a past President of the Toronto Railway Club and Special Technical Advisor to the Board of Directors of the Ontario Northland Transportation Commission. He is on the Board of the Railway Association of Canada, the Board of the Canadian Urban Transit Association and the Executive Committee of the American Public Transportation Association.

Greg holds an Honours Bachelor of Science from the University of Ottawa and an MBA from Queen’s University.


Allison Collins, Executive Assistant

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Leslie Woo, Chief Planning Officer Planning and Policy

Leslie Woo is Metrolinx’s Chief Planning Officer Planning and Policy, leading Metrolinx’s planning and policy.

Leslie’s portfolio spans the long range vision for mobility in the region, as set out in The Big Move (2008), to detailed service planning for GO Transit rail and bus, and includes capital project pre-planning, setting scope and defining projects. Leslie ensures that the $31 billion capital public investments are guided by good planning evidence and robust policy research. She is also a champion for driving corporate sustainability, innovation, design excellence and leads Metrolinx’s network for women in management.

As a member of Metrolinx’s Senior Management Team, Leslie brings her executive expertise in addressing complex urban development challenges in constrained environments to deliver results. Her leadership in tackling the integration of the $13.5 billion GO Regional Express Rail with local transit initiatives, with challenging the status quo on transit fare structures in the Toronto region and her determination to deliver planning that is built on strong business case has been recognized nationally. She was named the 2015 Outstanding leader by Canada’s Women’s Infrastructure Network.

Prior to joining Metrolinx she worked in the public, private and not-for-profit sectors. She shaped the influential Greater Golden Horseshoe Growth Plan (2006), which over the last ten years, has resulted in urban intensification totalling over 18 per cent increase in multi-family residential development, a two-thirds reduction of greenfield lands consumption, and has conserved about 800 square kilometres of agricultural and rural land.

Amongst her many global professional associations, Leslie is a 2011/12 Fellow and member of the International Women’s Forum, a Global Trustee with the Urban Land Institute, a member of the Scientific and Strategy Council of the Institut pour la ville en mouvement (2012-2015), and a retired member of the Ontario Association of Architects. Leslie holds many community volunteer roles including Vice Chair of the YMCA for the Greater Toronto Area and founder of shebuildscities.org.

Leslie received a Bachelor of Environmental Studies and a Bachelor of Architecture from the University of Waterloo where she also studied Urban and Regional Planning. She is also the 2015 recipient of the Renison University College Distinguished Alumna Award.


Gisele Zwicker, Executive Assistant

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Mary Martin, Executive Vice President, General Counsel & Corporate Secretary

Mary Martin is Executive Vice President, General Counsel & Corporate Secretary at Metrolinx. Mary’s 36 year legal career spans both the private and public sector.

At the Ministry of Finance and the Ministry of Public Infrastructure and Renewal Mary was the lead counsel supporting a team structuring, negotiating and finalizing transactions involving the Province’s chief commercial assets. Her responsibilities included legal oversight of a transaction generating over $5 billion of net proceeds for the Province.

Mary’s has over 20 years’ experience in the private sector including 14 years as a senior partner in a leading national law firm. There she structured and negotiated complex commercial agreements and led multi-disciplined transaction teams on acquisition, financing, joint venture and technology transfer deals.

Mary is Metrolinx’s chief governance officer and supports the Metrolinx Board of Directors and its four Board Standing Committees. In carrying out this role she draws on previous experience as a board member or corporate secretary for a number of publicly traded corporations.

Mary is a graduate of the University of Toronto law school and was called to the Ontario Bar in 1982.


Fiona Loranger, Executive Assistant

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Robert Hollis, Executive Vice President, PRESTO

Robert Hollis has been the Executive Vice-President, PRESTO since October 2012.

Robert’s mandate is to deliver the PRESTO transit fare card program to our current and future partners. PRESTO’s current partners include eleven transit agencies in the Greater Toronto and Hamilton Area as well as OC Transpo in Ottawa. Current work is centred on deploying PRESTO throughout the Toronto Transit Commission (TTC).

Prior to joining Metrolinx, Robert was the Chief Information Officer for the Land and Resources l&IT Cluster with the Ontario Public Service. Robert was also previously with the Ministry of Transportation, where he led the original PRESTO project from concept through to initial launch.

Previous to this, Robert held a number of executive positions in the financial services sector supporting personal banking, wealth management, wholesale banking and U.S. Brokerage business lines.

Robert is a graduate of York University, where he obtained a Bachelor of Arts in Mathematics.


Alba Briceno, Executive Assistant

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