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 Frontline’s 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.