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
Cessna Citation CJ3 Gen3 Achieves First Flight, Advancing Next-Generation Light Jet Toward Certification29.7.2026 19:31:00 EEST | Press release
Textron Aviation Inc., a Textron Inc. (NYSE:TXT) company, recently achieved a key milestone as the Cessna Citation CJ3 Gen3 prototype aircraft completed its first flight, advancing the next-generation light jet toward certification. With this milestone, all three next-generation Citation light jets — the CJ4 Gen3, CJ3 Gen3 and M2 Gen3 — have entered flight testing, demonstrating continued momentum across the Cessna next-generation light jet portfolio. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260729333762/en/ Cessna Citation CJ3 Gen3 achieves first flight, advancing next-generation light jet toward certification. (Photo credit: Textron Aviation) “This achievement continues the forward momentum of the CJ3 Gen3 program and reflects the discipline, innovation and commitment of this team,” said Chris Hearne, senior vice president, Engineering & Programs. “Comprehensive flight testing will now begin for this aircraft with ri
SES Launches Multi-Orbit Satellite Connectivity on LATAM Airbus, Embraer Fleet29.7.2026 18:30:00 EEST | Press release
SES, a leading space solutions company, was selected by LATAM Airlines to provide multi-orbit inflight connectivity service to its growing fleet of Airbus and Embraer aircraft, solidifying SES’s position as the top provider of multi-orbit broadband service in the Americas and around the world. “LATAM’s passengers will soon benefit from reliable, multi-orbit satellite connectivity that will provide the same fast and dependable internet access they enjoy at home no matter where or when they fly. SES’s partnerships with airlines like LATAM highlight how carriers throughout the Americas are leading the way when it comes to the most advanced connectivity. SES is a trusted partner that powers inflight connectivity,” said Mike DeMarco, SES President of Mobility. More than 60 Airbus (A320NEO and A321XLR) and Embraer aircraft (E195-E2) will be equipped with SES services in the coming years. LATAM will be the largest airline in the region to offer service using SES’s new electronically steered a
Carta Rearchitects Private Capital Operations with Plugins for Claude29.7.2026 17:01:00 EEST | Press release
Carta, the connected platform and AI-native ecosystem for private capital, today announces broad availability of its suite of Plugins for Claude following the initial launch in April 2026. With more than 1,500 companies and firms already using the plugins, Carta is changing the way private capital teams — from founders to CFOs — fundamentally operate, bringing fund administration, cap table management, and dealflow analytics directly into the spreadsheets, presentations, and workflows they already use every day. "For the last decade, private capital operation teams have been held back by a hidden tax: the constant, manual handoff of data between disconnected systems," said Henry Ward, Carta CEO. "Carta is eliminating that broken loop entirely by embedding intelligence directly into the tools teams already use. We are not waiting for an AI-native future for private capital — it is running on Carta today." Carta didn't just give Claude a pipe to its data. Carta built its private-capital
VDyne Announces First Patient Treated in TRIVITA US IDE Pivotal Study of the TriNova™ Transcatheter Tricuspid Valve Replacement System29.7.2026 16:00:00 EEST | Press release
VDyne Inc. (“VDyne”), a privately held medical device company developing an innovative transcatheter tricuspid valve replacement (TTVR) system, today announced that the first patient has been enrolled and treated in the TRIVITA US IDE pivotal study of the TriNova™ system. The randomized controlled study will compare TriNova head-to-head with the commercially available Edwards EVOQUE™ TTVR system. The TRIVITA trial (NCT07516444) initiation marks a significant milestone in advancing treatment for tricuspid regurgitation (TR). The prospective, global, multicenter, randomized (1:1) controlled study is designed to evaluate the safety and effectiveness of the TriNova TTVR system in patients with severe or greater tricuspid regurgitation who are suitable for valve replacement. The study will be conducted in the US and Europe with up to 70 sites participating. The first patient was enrolled at the Allina Health Minneapolis Heart Institute at Abbott Northwestern Hospital in Minneapolis, and tre
Grid Dynamics Accelerates Enterprise AI-Native Transformation With Workforce Certification and GAIN Platforms Rollout29.7.2026 16:00:00 EEST | Press release
Grid Dynamics Holdings, Inc. (Nasdaq: GDYN) (“Grid Dynamics”), a leading provider of technology consulting, platform and product engineering, and AI-driven digital transformation services, today announced significant momentum in the adoption of its enterprise agentic AI solutions. Organizations across retail, financial services, manufacturing, CPG, and logistics industries are increasingly deploying Grid Dynamics’ agentic AI-native platforms and Forward Deployed Engineering (FDE)-led services to accelerate software delivery, improve operational efficiency, and transform business processes at scale. Grid Dynamics is widely recognized for its enterprise AI expertise and delivery capabilities across Fortune 1000 organizations. Grid Dynamics has partnership agreements with Anthropic and OpenAI to accelerate the adoption of these platforms within enterprises. By the end of October 2026, Grid Dynamics plans to have 90% of its engineers trained and certified on these platforms. Built to suppo
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