Johns Manville Announces New CEO, Chairman Transition
17.6.2020 20:30:00 EEST | Business Wire | Press release
Johns Manville (JM), a global building and specialty products manufacturer and a Berkshire Hathaway company, announced today that Bob Wamboldt will become President and CEO on Sept. 1, 2020. Mary Rhinehart, the company’s current Chairman, President and CEO, will retain the role of Chairman.
This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20200617005674/en/
Mary Rhinehart (Photo: Business Wire)
Wamboldt joined Johns Manville in 2003 and became President of JM’s Insulation Systems business in February 2017. He earlier led the Engineered Products North America and Roofing Systems businesses at JM. Wamboldt is also 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,” Wamboldt said. “I look forward to working with the JM team and our customers to make the company even stronger in the global markets we serve. I also want to thank Mary for her leadership and guidance over the years and know I will benefit from her continued support as Chairman.”
Before joining Johns Manville, Wamboldt worked 16 years at PPG Industries Inc., where he held a variety of positions in the company’s Fiber Glass and Coatings divisions. He earned a bachelor’s degree in chemistry from Lehigh University. He and his wife live in Denver.
Rhinehart became Johns Manville’s President and CEO in 2012 and assumed the additional role of Chairman in 2014. Before becoming President and CEO, she was the company’s Chief Financial Officer for eight years. During her more than 40 years with Johns Manville, she also held leadership roles in treasury, supply chain, M&A and human resources, and she managed several of the company’s business units.
“I am immensely proud of JM’s employees and all we have accomplished together,” Rhinehart said. “Johns Manville is an important part of my life, and its continued success is my top priority as we transition to new leadership. I am pleased to hand the company over to such an accomplished JM executive as Bob and am confident he and our 8,000 employees around the world will continue to build on JM’s 162-year track record of success.”
Johns Manville became a Berkshire Hathaway company in February 2001.
“Bob’s business acumen, broad base of experience, and extensive industry knowledge make him the natural successor to Mary as CEO,” said Greg Abel, Berkshire Hathaway’s Vice Chairman. “I also want to extend my gratitude to Mary for her dedication and commitment to JM over her entire career. Under her leadership as CEO, JM delivered exceptional performance, successfully expanded its market presence, and made sound, strategic investments to position the company for success well into the future.”
Warren Buffett, Chairman and CEO of Berkshire Hathaway, added: “Mary was everything we had hoped to find in a CEO.”
About Johns Manville
Johns Manville, a Berkshire Hathaway company (NYSE: BRK.A, BRK.B), is a leading manufacturer and marketer of premium-quality building and specialty products. In business since 1858, the Denver-based company has annual sales over $3 billion and holds leadership positions in all of the key markets that it serves. Johns Manville employs 8,000 people and operates 46 manufacturing facilities in North America, Europe and China. Additional information can be found at www.jm.com.
To view this piece of content from cts.businesswire.com, please give your consent at the top of this page.
View source version on businesswire.com: https://www.businesswire.com/news/home/20200617005674/en/
Contact information
Eric Brown, +1-303-809-2853
eric.brown@jm.com
About Business Wire
For more than 50 years, Business Wire has been the global leader in press release distribution and regulatory disclosure.
Subscribe to releases from Business Wire
Subscribe to all the latest releases from Business Wire by registering your e-mail address below. You can unsubscribe at any time.
Latest releases from Business Wire
Two-Year Data of Pimicotinib Demonstrated Durable Tumor Control and Sustained Improvement in TGCT Symptoms and Joint Function26.10.2026 13:00:00 EET | Press release
Merck, a leading science and technology company, today announced new two-year follow-up results from the Phase 3 MANEUVER study evaluating pimicotinib in patients with tenosynovial giant cell tumor (TGCT). The study showed that among patients initially randomized to pimicotinib, improvements in symptoms and joint function were observed as early as Week 5, sustained through two years, and continued to improve over time. Tumor responses remained robust1 and durable,2 and the safety profile was consistent with previous analyses. The findings are being presented today in the Sarcoma poster session at the European Society for Medical Oncology (ESMO) Congress 2026 (Presentation # 3747P). This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261022786567/en/ David Weinreich, Global Head of R&D and Chief Medical Officer for the Healthcare business of Merck "For people living with TGCT, the impact of the disease is often felt through persis
WHOOP and Samuel Ross MBE Unveil Layer 2 of PROJECT TERRAIN26.10.2026 12:30:00 EET | Press release
WHOOP, the human performance brand, today announced Layer 2 of PROJECT TERRAIN, its multiyear collaboration with British designer Samuel Ross MBE and his design atelier, SR_A. Building on the sold out debut collection launched in March 2026, Layer 2 expands PROJECT TERRAIN to its next season connecting lifestyle and performance for movement, adaptability and zone based training. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261026029587/en/ WHOOP and Samuel Ross MBE Unveil Layer 2 of PROJECT TERRAIN While the first PROJECT TERRAIN collection harnessed dense cities and modern training grounds, Layer 2 explores performance through material, silhouette and tactility. Drawing on the textures, conditions, and flux of the natural world, the collection introduces a newly developed system of WHOOP bands, Italian technical apparel, outerwear, and accessories designed to move between urban and outdoor settings. Performance extends be
Bleeding gums? Don't ignore the warning signs – the first stage of gum disease can be reversed26.10.2026 12:28:00 EET | Press release
Gums bleeding when brushing can happen to any of us, and it is easy to ignore. But blood in the sink is a sign that something is not right with your mouth. Bleeding gums often indicate gingivitis, the earliest and most common form of gum disease. The good news: gingivitis can be reversed with proper oral hygiene. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261022835650/en/ Oral-B iO Left untreated, gingivitis can progress into periodontitis, a more severe stage of gum disease that can only be managed, not reversed, and can lead to losing teeth over time. Healthy gums matter beyond the mouth, too. Oral health and systemic health are deeply interconnected, with inflammation and bacteria from oral diseases contributing to conditions such as heart disease, diabetes and dementia. "Gums bleeding when brushing can happen to any of us. When they do, it shouldn't be ignored," said Eva Castro Perea, who holds a degree in dentistry
Merz Therapeutics Presents New Phase 2 PaiNT Data in Peripheral Neuropathic Pain at IASP 202626.10.2026 09:00:00 EET | Press release
Merz Therapeutics, a leading player in neurology-focused specialty pharma, today announced the presentation of new clinical and translational research in peripheral neuropathic pain (PNP) at the International Association for the Study of Pain (IASP) 2026 World Congress in Bangkok, Thailand, taking place from 26 to 30 October. The research spans new Phase 2 findings on incobotulinumtoxinA in postherpetic neuralgia (PHN) and post-surgical/post-traumatic neuropathic pain (PS/PTNP), as well as preclinical studies exploring potential biological mechanisms involved in effects of incobotulinumtoxinA on PNP models, highlighting Merz Therapeutics’ growing presence in neuropathic pain. In the PHN population of the Phase 2 PaiNT trial, results over 20 weeks favored incobotulinumtoxinA versus placebo treatment. In an exploratory analysis of average daily pain (ADP) intensity, the greatest difference between treatment groups was observed at Week 6 (adjusted mean difference, −1.14 points; p=0.0488).
BeOne Presents Compelling Data in Hard-to-Treat Liver and Lung Cancers at ESMO 202624.10.2026 11:15:00 EEST | Press release
BeOne Medicines Ltd. (Nasdaq: ONC; HKEX: 06160; SSE: 688235), a global oncology company, today announced new data from multiple differentiated investigational medicines across its priority solid tumor disease areas at the European Society for Medical Oncology (ESMO) Congress 2026 (October 23–27, Madrid). The presentations span gastrointestinal, lung, and breast cancers, and reflect the growing momentum of BeOne’s solid tumor franchise. Mark Lanasa, M.D., Ph.D., Chief Medical Officer, Solid Tumors at BeOne, said: “At ESMO, we are showing how our strategy of matching the right modality to disease biology is translating into meaningful clinical progress. Our GPC3 x 4-1BB bispecific antibody continues to be well tolerated and demonstrates durable activity with longer follow up in patients with heavily pre-treated hepatocellular carcinoma, while the first clinical data from our brain-penetrant PRMT5 inhibitor and CEA-targeting ADC expand our innovation in non-small cell lung cancer. Alongsi
In our pressroom you can read all our latest releases, find our press contacts, images, documents and other relevant information about us.
Visit our pressroom