Mark Guest

Manager, Facilities - Saint John

Mark is a professional geomatics engineer, New Brunswick land surveyor, and project management professional with experience in a wide variety of geomatics, infrastructure, industrial, road construction and site development projects throughout Atlantic Canada.


Shayne Giles

President - Toronto - North York

Shayne Giles is an experienced executive, and has been at Dillon for over 20 years. He has deeply involved in strategy development for Dillon since 2020.


Justine Giancola

Planner - Kitchener

Justine is a senior planner and project manager with Dillon’s community planning group. She has over 14 years of experience managing a wide range of planning projects.

Bryan Gale

Operations Lead, Environmental Sciences - Ottawa

Bryan has over 18 years of experience as a biologist, specializing in infrastructure projects throughout Canada, and is a project manager and operations lead for the environmental sciences group at Dillon.