With over 1,100 employees in over 25 offices, mentorship and local leadership play key roles in Dillon’s success. We invite you to meet our Board of Directors and Partners. Our Partner group provides direction, guidance, and support to our team members across Canada.

Ian Dance

Landscape ArchitectToronto – North York

Ian has over 44 years of experience in landscape architecture and environmental design. He has practiced throughout Canada and internationally, directing multidisciplinary teams and providing innovative and award winning designs to both public and private sector clients.


Sarah Devereaux

Civil EngineerHalifax – Chain Lake Drive

Sarah is a civil engineer with over 29 years of experience in environmental and municipal projects. Sarah has served on multiple national and provincial Boards affiliated with the engineering discipline.


Julie DiCicco

Environmental EngineerSaint John

Julie is a Professional Engineer with a Master in Applied Sciences focusing on water treatment technologies, with experience in Indigenous consultation, project management, climate change vulnerability assessments, and asset management.


David Diemer

Environmental EngineerCalgary

Dave is an Environmental Engineer and a leader in Dillon’s Atmospheric Services team with more than 30 years of experience in source testing, air emission inventories, air quality impact assessments, and dispersion modelling.


Matthew Douthwright

Manager, Environmental ManagementSaint John

Matthew is a transformational senior level and forward-thinking leader with a strong focus to grow and enhance businesses.


Shawn Doyle

Transportation EngineerOttawa

Shawn has over 30 years of experience in transportation and traffic engineering and planning. He has worked extensively for clients across Canada, the Caribbean, and Middle East.


Edward Duck

Team Manager, Contract Administration, Land DevelopmentVaughan

With over 20 years of consulting experience, Ed has worked on more than 200 land development projects of varying size and complexity, including a number of high profile projects.


Rick Dykstra

Civil EngineerLondon

Rick has over 35 years of experience managing all aspects of the development process for new subdivisions and residential, commercial, and industrial site developments.