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
CORRECTING and REPLACING PHOTO Decode the Future of AI and Customer Experience at Elevate'25 Digital Innovation Summit18.9.2025 21:23:00 EEST | Press release
Please replace the photo with the accompanying corrected photo. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20250918928987/en/ Gain insight and advice from firms at the frontier of AI-powered, mobile-first customer experiences. The release reads: DECODE THE FUTURE OF AI AND CUSTOMER EXPERIENCE AT ELEVATE'25 DIGITAL INNOVATION SUMMIT With keynotes from Google Cloud and an independent research firm, Elevate’25 will provide actionable strategies to harness the power of AI and create exceptional experiences for today's mobile-first consumer As unprecedented advancements in AI reshape consumer behavior, digital innovation summit Elevate'25 opened for general registration today. Sponsored by Airship, the exclusive, one-day event is designed to equip business leaders with proven strategies to harness artificial intelligence and mobile-first technology for a decisive competitive advantage. Taking place on October 15, 2025, at the i
Sai Life Sciences Opens Dedicated Facility for Veterinary APIs in Bidar, India18.9.2025 19:22:00 EEST | Press release
Sai Life Sciences (BSE: 544306 | NSE: SAILIFE), an innovator-focused Contract Research, Development, and Manufacturing Organization (CRDMO), today announced the opening of Unit VI, a dedicated facility for Veterinary Active Pharmaceutical Ingredient (API) production, in Bidar, India. Located alongside Unit IV, the company’s flagship API manufacturing site, Unit VI has been established exclusively for veterinary APIs. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20250918612071/en/ Sai Life Sciences’ Veterinary APIs Unit in Bidar, India. The new facility is designed to meet the highest standards of safety, sustainability, and regulatory compliance, ensuring the production of high-quality APIs for veterinary applications. With this expansion, Sai Life Sciences aims to provide efficient and scalable manufacturing solutions to leading global animal health companies. Making the announcement, Krishna Kanumuri, CEO & Managing Direct
Celltrion Announces Commercial Availability of Omlyclo™ Across Europe at EADV 202518.9.2025 18:45:00 EEST | Press release
Celltrion, Inc. today showcased its longstanding commitment to expanding its biosimilar portfolio in the field of immuno-dermatology by attending the 2025 European Academy of Dermatology and Venereology (EADV) Congress, held 17-20 September in Paris, France. Following the European Commission (EC) approval of Omlyclo™, the first and only omalizumab biosimilar in Europe in May 2024, Omlyclo™ will be commercially available starting in Norway, with subsequent rollouts in European countries. As part of Celltrion’s mission to advance knowledge and understanding in dermatology, especially in chronic spontaneous urticaria (CSU), the company hosted satellite symposium presenting the results of the global Phase III clinical trial of Omlyclo™. The global Phase III clinical trial involved 619 patients with CSU, following them up to week 40. Patients were randomized to receive 300 mg or 150 mg of Omlyclo™, or reference product, every 4 weeks. Starting from week 12, patients who received Omlyclo™ we
Setting the Standard: AMRA Medical Recognized as one of TIME Magazine’s ‘World’s Top HealthTech Companies’18.9.2025 17:40:00 EEST | Press release
AMRA Medical is proud to share its inclusion in the World’s Top HealthTech Companies list, published today by TIME in collaboration with Statista. This recognition positions AMRA among an elite group of global innovators that are leading healthcare transformation. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20250918372780/en/ AMRA Medical Recognized as one of TIME Magazine’s ‘World’s Top HealthTech Companies’ The selection, which comes just one week after celebrating AMRA’s 15 years of progress and innovation within the body composition space, highlights AMRA’s long-standing commitment to becoming a global leader in health informatics. By delivering detailed, reproducible insights within fat distribution and muscle composition, AMRA’s MRI-based technology is helping clinicians, researchers, and healthcare organizations unlock new levels of understanding across the metabolic and musculoskeletal sectors. “Being recognized by
illumynt, a CNE Direct Company, Is Pleased to Announce the Promotion of Jörg Herbarth to Chief Executive Officer (CEO)18.9.2025 17:30:00 EEST | Press release
illumynt, a CNE Direct company, is pleased to announce the promotion of Jörg Herbarth to Chief Executive Officer (CEO). Jörg has been a key member of illumynt’s executive leadership team since joining in June 2022, most recently serving as Chief Operating Officer. In his new role as CEO, Jörg will spearhead illumynt’s mission to become the number one provider of AI- and data-centric IT Asset Disposition (ITAD) solutions worldwide. Paul Knight, illumynt’s current CEO, will transition to the role of Founder & Chairman. In this capacity, Paul will continue to support the executive team with strategic guidance, while Jörg assumes full leadership of day-to-day operations and global expansion initiatives. Mr. Knight had come out of retirement a year ago to undertake some new initiatives and advance the company's strategic direction. With some necessary changes having taken place- he is thrilled to facilitate this transition to a reduced role again. Under Jörg’s leadership, illumynt will cont
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