Founded on a single, powerful idea.

Dedicate a team of project leaders to advocate for a client.

Leaders. Partners. Advocates.

What makes a project leader? Unlike a project manager, a project leader is your partner. We share your vision, supply you with strategic expertise, deploy the right team, and inspire confidence.

A project leader is your advocate. We champion your project. We prioritize your goals. We treat every client like you are our only client.

A project leader is just that—a leader. We seek out value. We anticipate and resolve problems. We assume and mitigate your risks.

CPL infographic About Us

Colliers Project Leaders. We’re not just project managers.
We go well beyond costs, schedules and project plans.

We’ve led over 18,000+ projects that:

Make cities livable.
Enhance workplaces.
Create spaces worth coming back to.
Improve patient care.
Deliver clean drinking water.
Build a sustainable future.

And so much more.

We act for owners to drive value and performance in capital projects.

We share their vision and protect their interests so that they can be confident of success.

Meet our Executive Team.

  • Olivia MacAngus headshot

    Olivia MacAngus 

    President & CEO

    Olivia is the President and CEO of Colliers Project Leaders, an industry-leading Canadian professional services company, delivering advisory and project management solutions across the built environment. She is also part of the Colliers Canada senior leadership team.

    Olivia is committed to enabling meaningful reconciliation with Indigenous communities, through the creation of an inclusive and diverse workplace, commitment to creating capacity in First Nations communities and development of advisory solutions that enable equitable ownership in economic infrastructure assets. Colliers Project Leaders is PAR-committed and a proud First Nations Major Projects Coalition Sustaining Partner.

    In previous roles, Olivia has built a broad base of experience in the Canadian infrastructure sector, working with owner, developer, investor, advisor and political stakeholder teams. She has 20 years of experience in business, infrastructure, procurement and government, and is a regular contributor to expert panels on infrastructure topics. She is the Founding Chair of the industry think-tank Future of Infrastructure Group and was named one of the Globe and Mail’s 2022 Best Executives in Canada.

  • Gordon Kack headshot

    Gordon Kack P.Eng., M.E.Sc., PMP, LEED AP

    Chief Operating Officer

    Gordon has more than 30 years of experience in the construction industry, including the establishment of two consulting practices. He has led the successful delivery of hundreds of commercial, municipal, institutional and retail projects throughout Canada. He has extensive expertise in delivering specialized project management services requiring rigorous quality, cost, sustainability and schedule control. Gordon is responsible for the compliance of Colliers Project Leaders’ Quality Management System with ISO 9001:2015 requirements and is responsible for all aspects of operational delivery.

  • Vivian Karaiskos headshot

    Vivian Karaiskos 

    Chief Financial Officer

    Vivian is the Chief Financial Officer for Colliers Project Leaders. Bringing over 25 years of experience to this role, Vivian leads the Finance and Accounting, Information Technology and Operations Management teams.

    Instrumental to her success is Vivian's expertise at strategic planning and business transformation in complex environments.

    Prior to joining Colliers Project Leaders, Vivian held senior executive roles in several industries, including environmental consulting, telecom, and real estate development.

  • Jason Kielau headshot

    Jason Kielau 

    Chief Commercial Officer

    Jason is the Chief Commercial Officer and member of the Senior Leadership Team for Colliers Project Leaders, Canada’s leading capital project solutions company. He has over 20 years experience in the construction industry and has delivered innovative construction solutions to clients in the industrial, energy, commercial, and institutional sectors throughout Canada and globally.

    In previous roles, Jason led teams delivering innovative solutions for capital project delivery, including alternative delivery models such as Public-Private Partnership (P3), Integrated Project Delivery and Progressive Design Build. He is a passionate advocate for innovation in the construction industry and has supported clients utilizing prefabrication, modular, mass timber and offshore manufacturing, including the largest modular P3 project delivered in Canada. Jason has brought his cross-sectoral experience to a variety of leadership positions, including assignments in Canada, the United Kingdom, Hungary and Chile.

Our locations.

With over 30 offices across Canada, we’ve got a team of project leaders ready for you.

See all our office locations