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
Incyte to Highlight Key Oncology Data Presentations at the European Society for Medical Oncology (ESMO) Congress 202619.10.2026 01:05:00 EEST | Press release
Incyte (Nasdaq:INCY) today announced that it will present new data from its oncology portfolio during the European Society of Medical Oncology (ESMO) Congress 2026, being held October 23 - 27, 2026, in Madrid. “The data being presented at ESMO further reinforce our confidence in these novel investigational approaches and their potential to improve and prolong the lives of patients with difficult-to-treat gastrointestinal cancers,” said Pablo J. Cagnoni, M.D., President, Incyte and Global Head of Research and Development. “Importantly, these findings not only provide new clinical insights, but they also inform our registrational development programs, including the Phase 3 KRAS G12D and TGFβR2×PD-1 studies already underway.” Details on rapid oral presentations at ESMO include: INCB161734 (KRAS G12D) Safety and Efficacy of Oral KRAS G12D Inhibitor INCB161734 as Monotherapy or in Combination with Cetuximab (Cetux) in Patients (pts) with Advanced/Metastatic Colorectal Cancer (CRC) Session:
DCO Launches Second Edition of Digital Prosperity Awards to Recognize Solutions Building the Digital Future18.10.2026 21:35:00 EEST | Press release
The Digital Cooperation Organization (DCO) launched the second edition of the Digital Prosperity Awards (DPA), opening applications and nominations for eligible public-sector, private-sector and civil-society digital solutions across Member States and beyond. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261018682401/en/ DCO Launches Second Edition of Digital Prosperity Awards to Recognize Solutions Building the Digital Future (Photo: AETOSWire) The Awards recognize technology-driven solutions, initiatives and contributions delivering measurable socioeconomic impact, accelerating digital transformation and advancing an inclusive, sustainable and prosperous digital economy. The inaugural edition honored seven winners in February 2025. Ms. Deemah AlYahya, Secretary-General of the DCO, said: “A prosperous digital future is taking shape today through the vision, commitment and creativity of governments, innovators, organization
TestMu AI Brings Real Device Testing to Kane CLI, Letting Developers Test Mobile Apps on Real Phones From Any Terminal16.10.2026 17:00:00 EEST | Press release
TestMu AI (formerly LambdaTest), the Full Stack Agentic AI Quality Engineering platform, announced real device support in Kane CLI. Developers can now test a mobile app on a real phone or tablet in the TestMu AI cloud straight from the terminal: they type what to test in plain English, and Kane taps through the app on a real Android or iOS device. Until now, testing a mobile app on real hardware meant keeping a drawer of phones, or a separate device farm outside the developer's workflow. With real device support, Kane CLI removes that dependency again now by giving terminal-first access to the real device cloud. Kane CLI on real devices gives teams: Real Android and iOS devices from any terminal. Kane CLI opens a real device in the TestMu AI cloud and taps through the app from natural language prompts. Developers pick a model and OS version, or let the cloud assign any available device. A live view of the device. The real device's screen opens in its own window on the developer's lapto
Abu Dhabi Launches TAMM Global to Bring Its AI-Native Government Platform to the World16.10.2026 17:00:00 EEST | Press release
Abu Dhabi has launched TAMM Global, a private technology company established to make the award-winning technology behind TAMM available to governments worldwide. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261016490320/en/ Abu Dhabi Launches TAMM Global to Bring Its AI-Native Government Platform to the World (Photo: AETOSWire) It is the first time the AI-powered platform, which serves 4.7 million users and is recognized as one of the world’s most advanced digital government platforms, will be available for international licensing and deployment. The launch marks a significant milestone in Abu Dhabi’s ambition to become the world’s first AI-native government. It reflects growing international demand for proven technologies that can accelerate digital transformation while protecting sovereignty, regulatory compliance and public trust. It also demonstrates how homegrown innovation and intellectual property are creating oppor
METI and GX Acceleration Agency will hold GGX Finance Summit 202616.10.2026 16:00:00 EEST | Press release
On Monday, October 26th, the Ministry of Economy, Trade and Industry (METI) and GX Acceleration Agency will hold the GGX (Global GX) Finance Summit at Tokyo Prince Hotel and online. The Summit will advance discussions on transition finance, industry decarbonization, and the role of business and finance in driving decarbonization. It will also promote cooperation among government, industry, and the financial sector, and lead international rulemaking toward achieving both emission reductions and economic growth. Outline of GGX Finance Summit Date: October 26th, 2026 10:00 - 16:20 (JST, GMT+9:00) Venue: Tokyo Prince Hotel (Tokyo) (3-3-1 Shiba-Koen, Minato-ku, Tokyo 105-8560, Japan) Organizer: Ministry of Economy, Trade and Industry (METI), GX Acceleration Agency Co-organizer: GX Future Consortium Format: Hybrid (On-site and on-line) Language: Japanese/English (with English/Japanese simultaneous interpretation) Press Registration Please complete your registration by accessing the official
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
