Sean Hanlon
Chief Executive Officer - Saint John
Sean was appointed as Dillon’s CEO in March 2020. This followed two years of leading Dillon through a change in management, during which he assumed the Interim President role at the request of the Board of Directors, in April 2018 and was appointed President in January 2019. Sean has over 32 years of consulting and industry experience with a technical focus on environmental management, risk management and contaminated sites portfolio management. He led geographic expansion in Atlantic Canada through the establishment and growth of both the Saint John and St. John’s offices. He has a B.Eng. in Chemical Engineering from the Technical University of Nova Scotia, and a B.Sc. in Chemistry/Mathematics from Mount Allison University.