Our Team
Walter Koppelaar
President
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.
Dwayne Van Harberden, P.Eng.
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.
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.
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.
Jessica Howells
Director of Finance
Jessica oversees and manages the finance functions for iSPAN. As a member of our senior management team, she prepares budgets, provide financial reporting, manages job costing and works with outside financial stakeholders.
Brandon Pettit
Technical Sales Representative
Brandon helps developers and building professionals develop and plan projects.
Nick Barnim
Technical Sales Representative
As a Technical Sales Representative, Nick focuses on educating potential customers about our systems and working with them to price projects.
Tyler Bouwman
Technical Sales Representative
As a Technical Sales Representative, Tyler answers design, installation and technical questions for our customers, and works with them to provide project estimates.
