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.

Sean Hanlon

Chief Executive OfferSaint John

Sean was appointed as Dillon’s CEO in March 2020, and has over 32 years of consulting and industry experience.


Darcy Harris

Civil EngineerSaint John

Darcy has over 27 years of experience in engineering consulting and project management. He is involved principally as a municipal engineer while also focusing on water and wastewater, transportation and land development.


Dennis Heinrichs

Direction, Acquisition IntegrationWinnipeg

Dennis has over 34 years of experience as a professional engineer with both consulting and direct industry experience, and is Dillon’s Director of Acquisition Integration.


Mark Hernandez

Civil EngineerWindsor

Mark has over 20 years of experience as a civil engineer. He has served in project risk management, project management, leading design, and coordination capacities on numerous multidisciplinary projects.


Matthew Hopps


Matt is a professional geoscientist with over 15 years of experience in environmental consulting and has extensive experience at managing contaminated site management programs.