Dennis is a professional engineer with over 43 years of experience specializing in transportation structure design, bridge rehabilitation and inspection, asset management, structural planning and construction services. He has managed a wide variety of bridge design and rehabilitation assignments, including design of bridge structures over railways, navigable and non-navigable waterways, roadways and pedestrian thoroughfares, detailed structural inspections, detailed condition surveys, structural steel fatigue inspections, underwater inspections, timber inspection, load assessments, and emergency services.  

David has been a director and instructor for the Good Roads OSIM bridge inspection course for many years and is one of the pre-eminent experts in bridge inspection in Ontario. Dennis is registered in RAQS for Bridge Engineering: biennial inspections, wood bridge inspection, underwater inspection, bridge rehabilitation and bridge design and is qualified to carry out OSIM inspections by the MTO. In addition, Dennis attended the MTO OSIM Bridge Inspection Workshop in 2024.

Dennis was the recipient of the Good Roads Elaine Robinson Volunteer of the year award in 2023.