Our Team

Behind each of our systems stands a strong team that makes each project possible. Led by our management team, we are focused on helping our customers deliver successful projects.

Walter Koppelaar


Walter guides the vision and provides overall direction to support the continued growth of iSPAN. Walter brings a wealth of experience from his years working alongside his family to build Walters Group into a world-class structural steel fabricator and erector.

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Dwayne Van Harberden

Vice President & General Manager

Dwayne is responsible for providing overall leadership to ensure that all departments are moving in the same direction. A key part of his role is facilitating and coordinating communication between the design team, builders and consultants.

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Douglas Fox, P.E., P.Eng.

Engineering Manager

Doug oversees design and provides engineering support for installation of iSPAN systems - always with an eye to safety, efficiency, and cost savings for the customer.

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Dwayne Schaus

Director of Sales

As head of our sales division, Dwayne works directly with architects and developers to help them understand how our systems could work for their projects, and value engineers plans and budgets to support specific projects.

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Kirk Wagenaar

Plant Operations Manager

As Plant Operations Manager, Kirk oversees production of all projects to ensure that iSPAN has the right people, products and processes for each job.

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Brian Ulrich

Senior Project Manager

Brian is our Senior Project Manager overseeing the on site construction of major iSPAN projects from initial design, right through to on-site completion.

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Brandon Pettit

Technical Sales Representative

Brandon helps developers and building professionals develop and plan projects.

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Call or email us if you have questions or would like to discuss a Canadian project.


For projects in the United States, reach out to one of our value-add resellers.