Dennis Wilson Dennis is the Director of Product Stewardship & Sustainability for Saint-Gobain in North America, the parent company of CertainTeed. Dennis joined CertainTeed/Saint-Gobain in 2007 and has since worked in a variety of operational EHS, product stewardship and sustainability roles. Dennis has a BS in Applied Environmental Health & Safety Sciences (Safety Sciences) from Indiana University of Pennsylvania, an MS in Environmental Protection & Safety Management from St. Joseph’s University, an MBA from LaSalle University, and a management certificate in Sustainable Engineering from Villanova University. Dennis’ team leads Saint-Gobain North America’s process & product sustainability efforts including waste, water, energy, & greenhouse gas reduction as well as product life cycle assessments. Prior to his time at CertainTeed/Saint-Gobain, Dennis held a variety of operations, quality, and regulatory positions in the pharmaceutical, and paper and plastics industries.