Thierry Denis Vice President, Investor Relations, Owens Corning Thierry Denis is vice president of Investor Relations of Owens Corning, a world leader in insulation, roofing, and fiberglass composites. Denis joined Owens Corning in 2010 as global director of supply chain and sourcing in its Composite Solutions Business. Prior to this, he held executive positions with CertainTeed, a Saint-Gobain company. He joined CertainTeed in 2002 as vice president of finance; in this role, he restructured the function. Denis then served in general manager roles, where he turned around CertainTeed’s Windows division and led its divestiture, and ultimately managed the company’s FiberCement Siding division. Denis’ career also includes nearly two decades of global experience with Dow Corning Corporation, the worldwide silicone leader. He held regional and global leadership positions of successive importance in finance, strategy, and commercial management, alternatively based in Europe and the United States. Denis holds a bachelor’s degree in science and finance and an MBA from the University of Louvain-la-Neuve in Belgium, and has attended executive development programs at London Business School, INSEAD, Massachusetts Institute of Technology and University of Michigan. He served as a two-year president of both the Philadelphia and the Toledo chapters of Financial Executives International, a premier association of financial executives.