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
2026–2027 World Branding Awards Honours Global “ Brand of the Year ” Winners at Hampton Court Palace3.11.2026 22:00:00 EET | Press release
The World Branding Awards returned to honour the brands that continue to set the benchmark for excellence. The 2026–2027 World Branding Awards Ceremony took place at the iconic Hampton Court Palace, marking the 21st edition of the awards. Set within the grandeur of a historic venue, the prestigious event brought together guests from across the globe for a memorable celebration. The evening was hosted by the acclaimed BBC presenter, Hannah Gray, and was further enriched by a keynote presentation from renowned speaker Adrian Webster. Earning a World Branding Awards remains a highly distinguished achievement. Winners are determined through a rigorous evaluation process encompassing brand valuation, consumer market research, and public online voting. This year, over 105,000 consumers took part in the voting process, and more than 2,000 brands from 62 countries were nominated. Of these, less than 10 brands from each country were declared the “Brand of the Year” across the Global, Regional,
Gencom Acquires Rosewood London, Expanding Its Footprint With Its First Luxury Hotel Acquisition in Europe3.11.2026 20:05:00 EET | Press release
Gencom, a U.S.-based investment firm that owns and develops prized real estate around the world, announces the acquisition of Rosewood London, the landmark 308-key luxury hotel situated at 252 High Holborn in Central London. The acquisition strengthens Gencom’s global hospitality investment platform and expands its presence in Europe through its first luxury hotel asset in London. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261103137897/en/ Gencom, a U.S.-based investment firm that owns and develops prized real estate around the world, announces the acquisition of Rosewood London in Central London London is one of the world’s most supply-constrained hospitality markets, supported by year-round demand from both leisure and business travelers. The acquisition of Rosewood London reflects Gencom’s conviction in the market and serves as a strategic entry point into Europe. The transaction further enhances the firm’s assemblage
SGCA Honours Communication Excellence Across Asia, Europe and the Arab World3.11.2026 17:52:00 EET | Press release
His Highness Sheikh Dr Sultan bin Ahmed bin Sultan Al Qasimi, Deputy Ruler of Sharjah and Chairman of the Sharjah Media Council, honoured winners of the 13th Sharjah Government Communication Award (SGCA), organised by the Sharjah Government Media Bureau (SGMB). This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261103972039/en/ SGCA honours communication excellence across Asia, Europe and the Arab world (Photo: AETOSWire) Winners represented China, India, Thailand, Ukraine and the Arab world. Some 433 entries from 31 countries across four continents passed initial screening. The award covered 23 categories across five sectors, including six partner awards. His Excellency Tariq Saeed Allay, Director General of SGMB, highlighted the award’s growth under the vision of His Highness Sheikh Dr Sultan bin Mohammed Al Qasimi, Supreme Council Member and Ruler of Sharjah, noting that it had attracted more than 9,500 entries over five year
BioLife to Showcase Oral Peptide Delivery Technology During London Life Sciences Week3.11.2026 17:03:00 EET | Press release
BioLife Products Limited today announced its participation in London Life Sciences Week, where it will highlight its patented oral peptide delivery technology and recent advances in its intellectual property portfolio. BioLife will present at the LSX Investival Showcase on Monday, November 16, 2026, from 3:15 to 3:30 p.m. GMT, at Old Billingsgate, London. The presentation will be led by Former US Ambassador James P. Cain, Strategic Advisor to the Chairman & Founder, alongside Ludivine Delattre, Business and Corporate Relations, and will highlight the scientific journey behind the technology and its potential applications. BioLife is focused on developing a novel approach to delivering peptide therapeutics orally. Built on over 35 years of pharmaceutical effervescence expertise and two decades of oral peptide research by founder and inventor Dr. Farid Bennis, the technology uses a dissolvable effervescent tablet to create a buffered solution that helps protect peptides during gastrointe
Sceye and SoftBank Corp. Sign Agreement for Fleet of Stratospheric Platforms Targeting Nationwide Coverage in Japan3.11.2026 17:00:00 EET | Press release
Sceye, a U.S. aerospace and material science company building High Altitude Platform Systems (HAPS) for stratospheric infrastructure, today announced a five-year Master Services Agreement (MSA) with SoftBank Corp. (TOKYO:9434, “SoftBank”) to manufacture, launch, and operate a fleet of Sceye’s HAPS over Japan with the aim of achieving nationwide coverage. This agreement advances the companies’ partnership from flight demonstrations toward full-scale stratospheric infrastructure. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261103391128/en/ Sceye and SoftBank Corp. Sign Agreement for Fleet of Stratospheric Platforms Targeting Nationwide Coverage in Japan Sceye’s HAPS will form a key pillar of SoftBank’s strategy for a Ubiquitous Network. The majority of Sceye’s initial fleet will provide mobile broadband throughout Japan, while a subset will also establish a Free Space Optical (FSO) network in the stratosphere. These deploym
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