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Safety First

Executive Management Team

In addition to Aecon’s Executive Committee members, the Executive Management Team is comprised of the following:

John Almeida
Senior Vice President,
Aecon Transportation East

John Almeida is Senior Vice President, Aecon Transportation East, responsible for Aecon Construction and Materials Limited (ACML), Karson, Aecon Materials Engineering (AME) and Yellowline Asphalt Products Ltd. Mr. Almeida brings over 30 years of experience in the civil construction industry and over 19 years of experience in the supervision and management of civil structure projects.

Mr. Almeida is a highly experienced value engineering practitioner with demonstrated experience in complex foundation work, formwork innovation and concrete construction quality advancements. In 1998, he was instrumental in introducing a new concrete pour procedure that has now been adopted by the Ministry of Transportation in Ontario.

Mr. Almeida holds a Bachelor of Applied Science and Engineering from the University of Toronto.

Adam Borgatti
Senior Vice President,
Corporate Development and Investor Relations

Adam Borgatti is Senior Vice President, Corporate Development and Investor Relations, responsible for leading Aecon’s Investor Relations program and supporting the leadership team with developing long-term business plans, evaluating strategic initiatives, and leading the assessment and execution of Aecon’s acquisition opportunities. Mr. Borgatti brings a depth of experience and knowledge of both capital markets and the construction industry.

Prior to joining Aecon in 2009, Mr. Borgatti held leadership roles in the financial industry, including Vice President, RBC Capital Markets, and Vice President, National Bank Financial. Before assuming his current position at Aecon – in 2017-18, he served as Vice President, Investor Relations, at Scotiabank and was responsible for leading all aspects of investor relations, providing strategic direction, leadership and oversight for the company’s investor relations portfolio globally.

Over his career at Aecon, Mr. Borgatti has held leadership roles in the Energy and Infrastructure segments, Strategic Finance division, and previously served as Vice President, Corporate Development and Investor Relations. Mr. Borgatti holds a Bachelor of Commerce degree in Finance and Entrepreneurship from McGill University as well as CFA and CPIR designations.

Blair Brandon
Senior Vice President,
Major Projects, Civil West

Blair Brandon is Senior Vice President, Major Projects, Civil West, and is responsible for leading the successful pursuit and execution of major projects in western Canada and the Pacific region, as well as oversight for existing major projects in the west.

Mr. Brandon brings over 35 years of experience in the construction industry to Aecon, including extensive success in the Public-Private Partnership (P3) market. Prior to joining Aecon in 2015, he held various leadership roles with organizations such as Matthews Group Ltd., Sureway Construction and PCL Constructors Northern. Mr. Brandon also spent a number of years working in the United States, managing major design build projects for Flatiron, prior to successfully leading Flatiron’s Canadian Operations, based in Vancouver, B.C.

Mr. Brandon is a graduate of Fanshawe College, with a degree in Construction Management, Construction Engineering Technology.

Michael Derksen
Senior Vice President,
Civil West

Michael Derksen is Senior Vice President of Civil West, responsible for providing executive oversight for the Civil West group of businesses. He joined Aecon in 2014.

Mr. Derksen has over 30 years of extensive experience working on large-scale transportation and transit projects, and has spent his entire career managing and executing Public-Private Partnership, design-build, and traditional bid-build projects both in Canada and the United States.

Prior to joining Aecon, Mr. Derksen worked for Granite Construction Company, one of the largest construction and materials companies in the United States. During his 26-year career at Granite, Mr. Derksen held positions of increasing levels of responsibility in operations and management.

Mr. Derksen holds a Bachelor of Science degree in Civil Engineering from the University of Calgary.

John Green
Senior Vice President,
Chief Safety Officer

John Green is Senior Vice President and Chief Safety Officer, responsible for Environment, Health and Safety (EHS) activities at Aecon. He is accountable for evolving Aecon’s Safety First culture through the development and implementation of programs, training, reporting and oversight functions.

Mr. Green brings over 35 years of operational experience in oil, gas, petrochemical, heavy engineering, construction, aviation and electronics, in addition to having served as a regulator for high-hazard industries. Prior to joining Aecon, he led the development and implementation of a Health, Safety & Environment (HSE) program in the U.K., on behalf of the Battersea Power Station Development Company. Prior to this, he served as a HSEQ Director for Europe and Major Projects at Laing O’Rourke.

Mr. Green holds a Bachelor of Science degree in Occupational Safety and Health and two Masters’ of Science degrees in Integrated Pollution Management, as well as Risk Management and Safety Technology, respectively. He is a chartered member of the Institution of Occupational Safety and Health and the Institute of Risk Management.

Marty Harris
Senior Vice President,
Civil East

Marty Harris is Senior Vice President of Civil East. He has executive oversight for Aecon's Transportation East group of companies, Aecon Infrastructure Management Inc., Aecon Heavy Civil and Aecon Buildings. Over the span of his 20-year career, Mr. Harris has held numerous positions with increased responsibility in highway and heavy civil construction including quality control, engineering and project management prior to moving into estimating, general management and executive management.

Mr. Harris received his Bachelor of Engineering Science from the University of Western Ontario in 1996, and is a licensed engineer in Ontario, Nova Scotia and New Brunswick. He is also a current member of the Ontario Road Builders Board of Directors and a previous Board member of the Nova Scotia Road Builders.  


Mathew Kattapuram
Senior Vice President, Strategic Business Development

Mathew Kattapuram is Senior Vice President, Strategic Business Development, with oversight of the Strategic Business Development, Corporate Affairs and Marketing groups at Aecon.

Prior to joining Aecon, Mr. Kattapuram was with Infrastructure Ontario as Senior Vice President, Civil Infrastructure, and was responsible for the delivery of Public-Private Partnership projects. During his tenure at Infrastructure Ontario, he was responsible for building the civil and transit delivery teams and the successful procurement of the Herb Gray Parkway and the Highway 407 East, both DBFM projects, as well as the Union Pearson Express project.

With nearly 35 years of construction and management experience, Mr. Kattapuram has worked for leading construction firms across Canada including Carillion.

Mr. Kattapuram received his Bachelor of Science degree in Civil Engineering from the University of Calgary and completed an executive management program at Aston University, Birmingham, UK.

Alistair MacCallum
Senior Vice President, Finance

Alistair MacCallum is Senior Vice President, Finance, Aecon Group Inc. and is responsible for treasury, tax, internal audit, consolidated internal and external reporting, and consolidated planning and forecasting functions, as well as related process improvements, team development and change management. 

Mr. MacCallum comes to Aecon with 20 years of finance and management experience, specializing in heavy industry. For the past 10 years, Alistair has worked with Catalyst Paper, a publicly traded pulp and paper company located in Vancouver, B.C. Most recently, Alistair held the position of Vice President, Treasurer and Controller.  Prior to joining Catalyst Paper, he worked as a strategy and process improvement consultant for IBM/PricewaterhouseCoopers.

He is a Certified General Accountant and received his Bachelor of Arts, History degree from the University of British Columbia and his Masters of Business Administration from the University of Georgia.

Eric MacDonald
Senior Vice President,

Eric MacDonald is Senior Vice President, Utilities, responsible for the continued growth and success of Aecon’s Utilities business.

With Aecon since 1995, Mr. MacDonald has held a variety of progressively senior level positions within Utilities and brings in-depth knowledge of the construction industry as well as proven abilities to lead teams towards successful execution and progressive results. Prior to joining Aecon, Eric owned and operated a directional drilling company servicing telecommunications, water and natural gas industries.

Steven N. Nackan
Aecon Concessions

Steven N. Nackan is President of Aecon Concessions and is responsible for Aecon’s infrastructure development and concession management activities.

Prior to joining Aecon in 2002, Mr. Nackan worked for the global law firm of White & Case LLP, advising government agencies, banks and industry in the development, implementation and financing of major international infrastructure projects. Mr. Nackan studied in Boston where he gained a Bachelor of Arts degree in Psychology from Brandeis University and a Juris Doctor degree from Boston College Law School.

Frank Ross
Senior Advisor

As Senior Advisor, Frank Ross supports infrastructure projects across Aecon Group Inc. Mr. Ross was previously President of Aecon Buildings Group, and has also led Aecon Atlantic Group and Aecon Fabco in Halifax, N.S., both divisions of Aecon.

An active member of the construction community for over 40 years, Mr. Ross has served on the Board of Directors of the Canadian Construction Association, the Ontario General Contractors Association, and the Board of Directors for the Toronto Construction Association. He also served as a Trustee of the Labourers’ International Union of North America – Local 615 Health and Welfare Program, and as a Board of Directors member for the NS Construction Labour Relations Association.

Mr. Ross is a member of the Canadian Institute of Quantity Surveyors and the Design and Construction Institute of Nova Scotia.

John Salter
Senior Vice President, Industrial East

John Salter is Senior Vice President, Industrial East, leading Aecon’s Industrial operations in Eastern Canada, with oversight for all Construction, Estimating, Project Controls, Purchasing and Business Development accountabilities. Mr. Salter brings more than 30 years of experience at Aecon and its predecessor companies Adam Clark and Lockerbie and Hole. Over his tenure, Mr. Salter has progressed through the operational ranks, fulfilling every significant role from Project Coordinator through to Senior Project Manager and Vice President, Construction, ensuring safe and successful project execution on multiple major projects.  

Mark Scherer
Executive Vice President,
Aecon Industrial

Mark Scherer is Executive Vice President of Aecon Industrial, where he has overall executive responsibility for Industrial West, Industrial East, Nuclear and Utilities. He is also responsible for Aecon’s fabrication and modularization facilities across Canada, including specialized industrial marine services in Maritime Canada.

Mr. Scherer has over 30 years of experience that ranges from the front line, through lower, middle, and upper management. His in-depth knowledge of the industry from the ground up along with outstanding people skills have elevated Mark into an executive leadership position at Aecon.

A leader within the industry, Mark is also President of the Pipe Line Contractor Association of Canada (PLCAC). Both Aecon and PLCAC benefit greatly from his knowledge and leadership.

Sean Sexstone
Senior Vice President,

Sean Sexstone is Senior Vice President, Nuclear, responsible for leading Aecon’s Nuclear group with a focus on further strengthening project performance and building strong client-focused relationships.

Mr. Sexstone brings a diverse range of global energy industry experience in both domestic and international sales, as well as operations and management, with expertise in project management, supply chain, product line management and commercial development. He is recognized in the industry for fostering effective client relationships and leveraging innovation.

Prior to joining Aecon, Mr. Sexstone served as Global Vice President, Power, at Chicago Bridge and Iron, where he was responsible for the company’s Power Product Line, and previously served as Director, Strategic Alliances, at Entergy Inc., where he was responsible for vendor performance and supply chain across the second largest U.S. commercial nuclear fleet. Mr. Sexstone has also held leadership roles at General Electric in transmission and distribution, power generation and nuclear power. He holds a Masters of Business Administration from Duke University and a Bachelor of Science in Industrial Engineering from West Virginia University.

John Singleton
Senior Vice President,
Industrial West

John Singleton is Senior Vice President, Industrial West, leading Aecon’s Industrial operations in Western Canada. With more than 25 years of Construction and Mining project and operations experience, Mr. Singleton joined Aecon’s Ontario business in 2004 and is based in Edmonton, Alberta, having relocated to the city in 2006 to start a western-based civil business for Aecon. Mr. Singleton is a professional engineer and holds a Bachelor’s Degree in Civil Engineering from Memorial University of Newfoundland. He currently serves as a Director of the Alberta Chamber of Resources.

Gordana Terkalas
Senior Vice President,
Human Resources

Gordana Terkalas is Senior Vice President, Human Resources, leading people initiatives at Aecon, including the corporation’s Diversity & Inclusion Council, is a member of the Ethics & Compliance Committee, and leads the Organizational Change Management Community of Practice.

Ms. Terkalas is a versatile HR leader, who has grown her career in fast-paced, entrepreneurial organizations calling for significant agility and progressive thinking.

Prior to joining Aecon 10 years ago, Ms. Terkalas practiced HR in various industries including consulting engineering, technology and healthcare. Throughout her career, she has garnered extensive experience in both operations and corporate services across all facets of the HR function – from organization design, talent acquisition and total rewards to employee development, talent and succession management.  She holds a Bachelor of Commerce degree from Ryerson University, as well as a CHRL Designation and is a member of the Association of Change Management Professionals.

Phil Ward
Executive Vice President, Aecon Mining

Phil Ward is Executive Vice President of Aecon Mining, with executive responsibility for Strategy, Business Development, and Project Execution relating to major Mining Construction projects for Aecon.  

With more than 40 years of experience in the Mining, Oil and Gas, and Manufacturing industries, Mr. Ward brings a broad range of knowledge and expertise, from the field to Project Management to the role of President and Chief Operating Officer of Aecon’s predecessor company Lockerbie & Hole (formerly Adam Clark Company Ltd.).

Mr. Ward’s experience and grassroots leadership style have earned him industry-wide respect throughout Canada, the U.S., and internationally, as well as the loyalty and respect of all those who have worked for, and with, him.

Mr. Ward is a long-time member of the Association of Millwrighting Contractors of Ontario (AMCO) and respected member of the Canadian Safety Association of Ontario.

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