Bob Wamboldt: Colorado 500 - Manufacturing

President, Johns Manville

ColoradoBiz Staff //April 21, 2026//

President, Johns Manville

ColoradoBiz Staff //April 21, 2026//

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Bob Wamboldt is President of Johns Manville’s Insulation Systems business, a position he assumed in February 2017. He joined Johns Manville in 2003 and previously led the company’s Engineered Products North America and Roofing Systems businesses. Before joining JM, Wamboldt spent 16 years at PPG Industries in its Fiber Glass and Coatings divisions. He serves as Chairman of the North American Insulation Manufacturers Association and previously served as president of the Asphalt Roofing Manufacturers Association. “I have been privileged to lead each of our businesses and learn first-hand the strength of the Johns Manville customer relationships, products, technologies and people,” he said. Wamboldt holds a bachelor’s degree in chemistry from Lehigh University.

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