CO-JOHNS-MANVILLE
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/
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 .
View source version on businesswire.com: https://www.businesswire.com/news/home/20200617005674/en/
About Business Wire
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
GeologicAI Announces Acquisition of Lumo Analytics to Complete Its Integrated Sensor Suite Across Critical Minerals and Rare Earth Elements17.12.2025 17:53:00 CET | Press release
GeologicAI, the global leader in High-Resolution Decision Engineering for the critical minerals sector, today announced its acquisition of Lumo Analytics, a provider of the most compact and efficient Laser-Induced Breakdown Spectroscopy (LIBS) scanner in the market. LIBS is a rapid, non-destructive technique that uses a high-energy laser pulse to vaporize a tiny spot on a rock, creating a short-lived plasma which emits light unique to the elements present when it cools. This spectral “fingerprint” provides immediate chemical information about the material. For the mining sector, this means faster geochemical insights directly at the source, enabling more efficient exploration and resource evaluation. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20251217715846/en/ The transaction firmly cements GeologicAI’s position as the only truly comprehensive and integrated source of sensor data for the critical minerals industry. Buildi
Incyte Announces European Commission Approval of Minjuvi® (tafasitamab) for the Treatment of Relapsed or Refractory Follicular Lymphoma17.12.2025 17:20:00 CET | Press release
Minjuvi® (tafasitamab) in combination with lenalidomide and rituximab is the first CD19- and CD20-dual-targeted immunotherapy combination regimen approved for eligible patients in Europe with relapsed or refractory FLPatients with relapsed or refractory FL achieved significantly improved progression-free survival with Minjuvi in combination with rituximab and lenalidomide in the Phase 3 inMIND registration trialIn Western countries, including Europe, relapsed or refractory FL affects 2-4 out of every 100,000 people1 Incyte (Nasdaq:INCY) today announced that the European Commission (EC) has approved Minjuvi® (tafasitamab) in combination with lenalidomide and rituximab for the treatment of adult patients with relapsed or refractory follicular lymphoma (FL) (Grade 1-3a) after at least one line of systemic therapy. "The EC approval of Minjuvi addresses a critical need, bringing a new, first-of-its-kind, chemotherapy-free option to patients in Europe with relapsed or refractory FL,” said Bi
Rigaku Launches ONYX 3200, a Metrology Instrument for Semiconductor Manufacturing17.12.2025 16:00:00 CET | Press release
Enables complete metal inspection for all processes from chip wiring to advanced packaging on a single platform Rigaku Corporation, a global solution partner in X-ray analytical systems and a group company of Rigaku Holdings Corporation (headquarters: Akishima, Tokyo; CEO: Jun Kawakami; hereinafter “Rigaku”) announced the launch of the ONYX 3200, a new semiconductor metrology system to measure film thickness, composition and bump* structures for wafer-level processes. The system is engineered to help manufacturers stabilize quality and increase yield in the metal-wiring formation (back-end-of-line (BEOL)) and packaging processes of semiconductor chips. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20251216597402/en/ ONYX 3200 Due to accelerating demands for AI, high-performance computing, data centers, mobile devices, and other devices, chip wiring and interconnect structures have grown increasingly delicate and complex. As a
Taylor Wessing Diversifies Its International Strategy17.12.2025 15:05:00 CET | Press release
International law firm Taylor Wessing is set to diversify its strategy within its international alliance, in order to push international growth and innovation. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20251217415857/en/ Dr. Oliver Bertram, Global Co-Chair at Taylor Wessing The English part of the partnership is seeking a merger with US law firm Winston & Strawn and would – depending on a corresponding partner decision, which is still pending – leave the Taylor Wessing alliance at the end of April 2026. Both parties wish to continue their successful joint international client work unchanged. Therefore, collaboration between Taylor Wessing and future Anglo-American firm Winston Taylor will continue seamlessly based on a cooperation agreement, ensuring that clients will not experience any change in their collaboration with Taylor Wessing. With the firm’s new open strategy, Taylor Wessing equally meets the strategic requirem
ISACA to Lead Global Credentialing for CMMC Cybersecurity Framework as International Cyber Readiness Standards Rise17.12.2025 15:00:00 CET | Press release
ISACA appointed to certify professionals assessing organisations against the US Department of War’s (DoW) Cybersecurity Maturity Model Certification (CMMC) programme.New requirements mean that all global businesses supplying to US DoW will need to be compliant with this framework, impacting over 200,000 organisationsAppointment supports global demand for consistent, verifiable cyber maturity amid escalating cyber threats and growing assessor shortages.The Cyber AB remains the official accreditation body for the CMMC programme, authorizing the CAICO and other CMMC ecosystem parties As cyber threats escalate and governments raise expectations around operational resilience, ISACA has been appointed to lead the global credentialing programme for the U.S. DoW’s Cybersecurity Maturity Model Certification (CMMC) program. The appointment positions ISACA – the international association for cybersecurity, audit and digital trust – as the exclusive CMMC Assessor and Instructor Certification Organ
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