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
Verdict Expected Soon in Klarna’s $8.3 Billion Antitrust Lawsuit Against Google24.2.2026 20:09:00 EET | Press release
Klarna Group plc (NYSE: KLAR) announces that the Patent and Market Court of Sweden (Patent- och marknadsdomstolen) is expected to deliver its verdict on April 15, 2026 in the antitrust damages proceedings brought by Klarna’s subsidiary PriceRunner International AB against Google LLC and Google Ireland Limited. The trial, which ran from October 20 to December 19, 2025, concerned PriceRunner’s claim for approximately $8.3 billion in damages — the largest civil damages claim ever filed in a Swedish court. The Case The claim arises from Google’s abuse of dominance in online comparison shopping, as established by the European Commission in a binding 2017 decision and upheld without reservation by the Court of Justice of the European Union in September 2024. PriceRunner alleges that Google systematically demoted competing price comparison services in its search results while favouring its own Google Shopping product, causing sustained and quantifiable commercial damage to PriceRunner over mo
INRIX Announces New Generation of AI Traffic Products: Helping to Improve Safety, Reduce Congestion, and Enhance Mobility Operations24.2.2026 17:49:00 EET | Press release
INRIX, a global leader in transportation data and analytics, today announced a major expansion of its Trafficfamily of products, delivering innovativeAI-driven capabilities to help transportation agencies and logistics organizations move from reactive traffic management to proactive, safety-focused and efficient operations. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260224267928/en/ INRIX introduces expanded automation, generative AI capabilities, enhanced incident detection, and continuous analytics. Over twenty years ago, INRIX commercialized the first system to use GPS data to create real-time traffic information. In 2019, INRIX launched AI Traffic – the world's first traffic platform to leverage deep learning models and AI to improve the quality and analysis globally. Now, INRIX is launching a new generation of automation and intelligence to help agencies and enterprises move faster from analyzing data to making deci
Check Point and ControlPlane Partner to Help Enterprises Securely Scale AI and Accelerate Agentic Innovation24.2.2026 16:30:00 EET | Press release
ControlPlane, a specialist AI Security and DevSecOps consultancy, and Check Point Software Technologies Ltd., a pioneer and global leader in cyber security solutions, today announced a strategic collaboration to help enterprises securely adopt Large Language Models (LLMs) and agentic AI systems at scale. The partnership delivers a comprehensive, regulator-ready security framework designed to reduce risk, protect sensitive data, and enable organizations to move confidently from AI experimentation to production deployment. By combining Check Point’s AI-native threat prevention platform with ControlPlane’s deep expertise in cloud native architectures and DevSecOps, enterprises can operationalize AI securely without slowing innovation. As organizations advance AI initiatives beyond pilots, they face a growing “AI readiness gap.” Emerging threats such as prompt injection, unauthorized access, data leakage, and model misuse introduce risks that traditional security controls were not built to
Andersen Consulting Expands Capabilities with Assure Consulting24.2.2026 16:30:00 EET | Press release
Andersen Consulting strengthens its platform with addition of collaborating firm Assure Consulting, a Germany-based management consulting firm specializing in project management and project portfolio management. Founded in 2003, Assure Consulting supports organizations in successfully delivering complex projects and transformations. The firm helps clients establish and operate Project Management Offices (PMOs), strengthen governance and portfolio management, and apply classical, agile, or hybrid project management approaches tailored to their needs. Assure Consulting also provides hands-on support for large-scale system and process rollouts, integrated change management for organizational and cultural transformation, and coaching and training programs aligned with internationally recognized project management standards to build sustainable capabilities within client organizations. “This collaboration allows us to scale our project-delivery expertise and agile transformation capabilitie
Clinilabs Establishes EU Headquarters in Basel, Strengthening European Clinical Operations Under New Regional Leadership24.2.2026 16:00:00 EET | Press release
Clinilabs, a leading specialty contract research organization (CRO) focused on central nervous system (CNS) drug and device development, today announced the expansion of its European operations, including the establishment of its European Union headquarters at Switzerland Innovation Park Basel Area, and the appointment of Dr. Anne-Marie Nagy as executive vice president and head of Clinilabs Europe. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260224669284/en/ Dr. Anne-Marie Nagy appointed as Executive Vice President and Head of Clinilabs Europe Switzerland Innovation Park Basel Area is part of Switzerland’s national innovation network and located within the Basel region’s globally recognized life sciences cluster, bringing together biopharma companies, research institutions, and clinical innovation leaders. “Europe is a critical pillar of Clinilabs’ long-term growth strategy,” said Gary K. Zammit, Ph.D., president and chie
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
