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
2PointZero Group Signals Global Scale With Revenue Surge to AED 21.9 Billion and Net Profit of AED 7.7 Billion in H1 202631.7.2026 14:42:00 EEST | Press release
2PointZero Group (ADX: 2POINTZERO), a leading Abu Dhabi-based investment holding firm, announced its financial results for the first half of 2026, reporting revenue of AED 21.9 billion and delivering a Group Net Profit of AED 7.7 billion. This robust performance is reflected in the Group’s adjusted EBITDA, which reached AED 5.0 billion after excluding fair value changes and one-offs. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260731538982/en/ Samia Bouazza, CEO of 2PointZero (Photo: AETOSWire) Net profit from the Group’s businesses increased by 2,301% year-on-year (YoY), driven by the consolidation of Tendam and the mega-merger to form 2PointZero Group, and growth was also supported by new investments in African financial services, entry into the European packaging markets, and steady operational progress across all verticals, bringing the total reported net profit to AED 7.7 billion. Through continued operational integr
Datroway ® Approved in the EU as Only TROP2 Directed Medicine with Overall Survival Benefit for the First-Line Treatment of Patients with Metastatic TNBC Who Are Not Candidates for Immunotherapy31.7.2026 09:30:00 EEST | Press release
Datroway® (datopotamab deruxtecan) has been approved in the European Union (EU) as monotherapy for the first-line treatment of adult patients with unresectable or metastatic triple negative breast cancer (TNBC) who are not candidates for PD-1/PD-L1 inhibitor therapy. Datroway is a specifically engineered TROP2 directed DXd antibody drug conjugate (ADC) discovered by Daiichi Sankyo (TSE: 4568) and being jointly developed and commercialized by Daiichi Sankyo and AstraZeneca (LSE/STO/NYSE: AZN). The approval by the European Commission follows the positive opinionof the Committee for Medicinal Products for Human Use of the European Medicines Agency and is based on results from the TROPION-Breast02phase 3 trial, which were presented at the 2025 European Society for Medical Oncology Congress and subsequently published in Annals of Oncology. In TROPION-Breast02, which included patients with metastatic TNBC who experienced early relapse following prior treatment, Datroway demonstrated a statis
Polpharma Biologics Announces FDA and EMA Acceptance for Review of PB016 Vedolizumab Biosimilar Candidate31.7.2026 09:30:00 EEST | Press release
Polpharma Biologics International AG today announces that the U.S. Food and Drug Administration (FDA) and the European Medicines Agency (EMA) have accepted for review the Biologics License Application (BLA) and Marketing Authorisation Application (MAA), respectively, for PB016, a proposed vedolizumab biosimilar candidate to Takeda’s reference product Entyvio®* (vedolizumab) lyophilized vial for intravenous (IV) administration for the treatment of adults with moderately to severely active ulcerative colitis and Crohn's disease. The BLA and MAA acceptances represent significant milestones in Polpharma Biologics' development program and underscore the company's commitment to advancing high-quality biosimilars and expanding global access to affordable biologic medicines. "FDA and EMA acceptances for review of our IV vedolizumab biosimilar candidate mark a major achievement for Polpharma Biologics and validate our deep scientific expertise in biosimilar development and manufacturing," said
Half-Year Report on SES’s Liquidity Contract31.7.2026 08:30:00 EEST | Press release
Pursuant to the liquidity contract entered into by SES with BNP Paribas as of 7 April 2026, please see the below update on the progress of the liquidity services. When the liquidity services were implemented as of 7 April 2026, the following assets were in the liquidity account: € 2,500,000 As of 30 June 2026, the following assets appeared on the liquidity account: 228,186 shares; € 816,880. Over the period from 7 April 2026 to 30 June 2026, the following transactions were executed: 1,082 buy transactions; 1,308 sales transactions. Over this same period, the volumes traded represented: 1,093,335 shares and € 8,485,986 on the buy side; 873,399 shares and € 6,860,843 on the sell side. Follow us on: LinkedIn | Facebook | YouTube | X | Instagram Read our Blogs > Visit the Media Gallery > About SES At SES, we believe that space has the power to make a difference. That’s why we design space solutions that help governments protect, businesses grow, and people stay connected—no matter where th
SES: Disclosure of Share Buyback Transactions31.7.2026 08:30:00 EEST | Press release
In the time period from June 2, 2026 until and including June 23, 2026, a number of 213,167 shares were bought back within the framework of the share buyback of SES to meet obligations under SES’s Equity Based Compensation Plan (EBCP). Shares were bought back as follows: Day of purchase Aggregated volume in shares Daily weighted average acquisition price of shares (EUR) Market June 2, 2026 27,097 8.8727 DXE June 2, 2026 72,903 8.8556 ENX June 5, 2026 16,624 8.3723 DXE June 5, 2026 31,510 8.4266 ENX June 15, 2026 26,451 7.8423 XPAR June 17, 2026 26,812 7.3910 XPAR June 23, 2026 11,770 7.2200 XPAR The transactions in a detailed form are published on SES’s website: https://www.ses.com/investors/shareholder-information/share-buy-backs. Follow us on: Twitter | Facebook | YouTube | LinkedIn | Instagram Read our Blogs > Visit the Media Gallery > About SES At SES, we believe that space has the power to make a difference. That’s why we design space solutions that help governments protect, busin
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