Johns Manville Announces Leadership Changes in Two Businesses

DENVER--(BUSINESS WIRE)--Johns Manville (JM), a global building and specialty products manufacturer and a Berkshire Hathaway company, announced leadership changes in two of its businesses. Bob Wamboldt, currently Senior Vice President and General Manager of Roofing Systems, will become Senior Vice President and General Manager of Insulation Systems, and Joe Smith will become Senior Vice President and General Manager of Roofing Systems.

Wamboldt will succeed Fred Stephan, who is leaving Johns Manville for another opportunity.

“Johns Manville is a leader and innovator in the many global markets we serve,” said Mary Rhinehart, Chairman, President and CEO. “We are confident Bob and Joe will continue making JM the supplier of choice for our customers, and we are thankful for the service Fred has given JM over the past 12 years.”

Wamboldt joined Johns Manville in 2003 and has held senior 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 JM, Wamboldt worked 16 years at PPG with key roles in their Fiber Glass and Coatings divisions. He earned a degree in Chemistry from Lehigh University and is a certified Six Sigma Black Belt.

Smith will assume Wamboldt’s current role in the Roofing Systems business. He has been General Manager of Building Insulation since 2012 and has played important roles at JM for more than 28 years. He began his tenure as a roofing sales representative, and in 1998 he moved to Denver as a marketing manager in JM’s Roofing Systems Business. For the next 14 years, he worked in a variety of marketing, product management and roofing services positions. He earned a bachelor’s degree in Management and a master’s degree in Business Administration from St. Leo University.

About Johns Manville

Johns Manville, a Berkshire Hathaway company (NYSE: BRK.A, BRK.B), is a leading manufacturer and marketer of premium-quality products for building insulation, mechanical insulation, commercial roofing, and roof insulation, as well as fibers and nonwovens for commercial, industrial and residential applications. JM serves markets that include aerospace, automotive and transportation, air handling, appliance, HVAC, pipe and equipment, filtration, waterproofing, building, flooring, interiors and wind energy. In business since 1858, the Denver-based company has annual sales of nearly $3 billion and holds leadership positions in many of the key markets that it serves. JM employs approximately 7,000 people and operates 43 manufacturing facilities in North America, Europe and China. Additional information can be found at


Johns Manville Eric Brown, 303-809-2853 or Holly Leiker, 303-475-1690