David was the President of Frontline Integrated Services prior to joining SECURE Energy Services. Mr. Mattinson is a professional engineer, and has previously held the position of President for over 20 years at a heavy equipment contracting company, and as the President of a frac sand production company. Mr. Mattinson manages existing relationships and positively contributes to the communities in which we work. He has over 25 years of experience and has worked on a multitude of earth works related projects including landfill construction projects, and decommissioning projects.