Johns Manville Announces New CEO, Chairman Transition
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
Enerin raises €15 million Series A to industrialise modular high-temperature heat pumps for global industry26.11.2025 11:00:00 EET | Press release
Enerin, a technology leader in high-temperature heat pumps, has raised €15 million (NOK 180 million) in a Series A led by Climentum Capital, The Footprint Firm, Johnson Controls and Move Energy, with participation from PSV Hafnium and Momentum. “This investment marks our shift from pioneering to full industrialisation, bringing proven high-temperature technology from Norway to industries worldwide,” said Arne Høeg, Founder and CEO of Enerin. “Industrial companies are ready to decarbonise high-temperature heat, but the mass market has lacked simple, profitable solutions that fit everyday operations.” Replacing fossil-fuelled industrial boilers — responsible for nearly 20% of global CO₂ emissions — remains one of the toughest challenges in the energy transition, largely because conventional heat pumps can’t cope with the sector’s highly variable process conditions and high temperatures. Enerin’s modular, flexible and standardised system removes such barriers by adapting automatically to
IQM to Invest Over €40 Million to Expand Finland Production Facility, Accelerate Innovation and Fuel Growth26.11.2025 10:49:00 EET | Press release
IQM Quantum Computers, a global leader in superconducting quantum computers, today announced over €40 million investment to expand its state-of-the-art production facility in Finland. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20251126943986/en/ This strategic expansion will accelerate the development, fabrication and testing of advanced quantum processing units and the assembly of quantum computers, paving the way for scalable, error-corrected quantum systems that will power the next era of computing. The expansion aligns with the company’s recent Series B fundraise of over $300 million. The facility, which will spread over 8,000 square meters, will expand the company’s cleanroom area quantum data centre. It will also double its assembly line capacity, enabling to produce over 30 full-stack quantum computers per year, helping to meet the growing demand for its systems and support research innovation and development activi
Thredd Powers Successful Migration of BigPay’s Card Portfolio to Next-Gen Platform26.11.2025 10:00:00 EET | Press release
Thredd, the leading next-generation global payments processor, has successfully migrated BigPay’s virtual and physical card portfolio from its previous, legacy processor to Thredd’s next-generation platform, underscoring Thredd’s leadership in complex card portfolio migrations. The migration project, one of several in recent years, included over 2.5 million cards and highlights Thredd’s unique combination of deep migration experience, robust processes, and advanced technology—qualities increasingly critical as the industry faces a wave of modernisation and replatforming. This achievement comes at a pivotal moment for the industry. Industry analysts estimate that retail banks failing to modernise could see 10% to 15% of their payments revenue at risk annually as legacy platforms struggle to keep pace with demands for hyperpersonalization, digital experiences, faster time-to-market, and operational efficiencies. With more than 100 million cards per year expected to move to modern platfor
With Two in Five Employees Undergoing Fertility Treatment Leaving Their Jobs or Considering Quitting, Are Companies Doing Enough?26.11.2025 09:00:00 EET | Press release
An international survey, spanning Australia, France, Japan, Poland and the UK, has found that many employees experiencing fertility challenges lack support in the workplace, with almost two in five (39%) leaving or considering leaving their roles while undergoing treatment.1 ‘The Impact of Fertility Challenges at Work: International Insights’ survey by Ferring Pharmaceuticals, Fertility Matters at Work and This Can Happen shows that, despite growing awareness of reproductive health, two thirds (67%) who have experienced fertility challenges say that their workplaces do not offer support for employees undergoing fertility treatment, with France the least likely to provide it (88%).1 60% said they were not clearly entitled to time off for fertility appointments, with time recorded as paid leave, unpaid leave or annual leave (26%), and some also reported taking sick leave due to a lack of flexibility (17%).1 With assisted reproduction therapy, including IVF, already accounting for up to 1
Venture Global and Tokyo Gas Announce 20-Year LNG Sales and Purchase Agreement26.11.2025 02:00:00 EET | Press release
Today, Venture Global, Inc. (NYSE: VG) and Tokyo Gas Co., Ltd announced the execution of a new, long-term liquefied natural gas (LNG) Sales and Purchase Agreement (SPA). Under the SPA, Tokyo Gas will procure 1 million tonnes per annum (MTPA) of LNG from Venture Global for 20 years, starting in 2030. This deal marks 7.75MTPA of SPAs signed by Venture Global in the last six months. “With nearly 8 MTPA of new long-term commitments signed this year, Venture Global is pleased to build on our commercial momentum through this new partnership with Tokyo Gas,” said Venture Global CEO Mike Sabel. “Tokyo Gas is a pioneer in the LNG industry and leading provider of natural gas to Japan, and we look forward to working with them as we grow our position as a top LNG supplier to Japan. This agreement will contribute significantly to the US-Japan balance of trade over the duration of the SPA, providing Japan with affordable, reliable American LNG.” About Venture Global Venture Global is an American pro
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