US: Johns Manville has appointed Bob Wamboldt, currently the Senior Vice President and General Manager of Roofing Systems, as the Senior Vice President and General Manager of Insulation Systems. He will succeed Fred Stephan, who is leaving the company.
Wamboldt joined Johns Manville in 2003 and has held leadership positions in the company’s Engineered Products business and in Roofing Systems. He began as Strategic Accounts Manager and later worked as Vice President and General Manager of Engineered Products North America and as Leader for the North American Fibers business in the Engineered Products Group. He has led the Roofing Systems business since 2011. Before joining Johns Manville, Wamboldt worked for 16 years at PPG with roles in their Fiber Glass and Coatings divisions. He holds a degree in chemistry from Lehigh University and is a certified Black Belt in the Six Sigma process improvement methodology.
