(BRK.A), (BRK.B)
Johns Manville (JM), a Berkshire Hathaway company, has announced a leadership transition as Bob Wamboldt prepares to retire and John Vasuta assumes the role of President and Chief Executive Officer effective August 1, 2026.
Vasuta joined Johns Manville in 2019 as President of the company’s Engineered Products business. He also serves on the board of EJ, a global manufacturer of infrastructure access products for utilities and telecommunications.
“It’s an extraordinary privilege to step into the role of CEO,” Vasuta said, adding that he looks forward to continuing to support customers and employees across the organization.
Before joining JM, Vasuta held several leadership positions at Bridgestone Corp., including President of Firestone Building Products International and Senior Vice President of Global Sales, Marketing & Operations. He holds degrees in engineering, business administration and law from the University of Akron.
Wamboldt, who joined Johns Manville in 2003, led each of the company’s three major businesses before becoming President and CEO in 2020. Reflecting on his retirement, he said he was proud of the company’s achievements and expressed confidence in Vasuta’s leadership.
Mary Rhinehart praised Wamboldt’s contributions during his tenure and said the company looks forward to building on its strong foundation under Vasuta’s leadership.
© 2026 David Mazor
Disclosure: David Mazor is a freelance writer focusing on Berkshire Hathaway. The author is long in Berkshire Hathaway, and this article is not a recommendation on whether to buy or sell the stock. The information contained in this article should not be construed as personalized or individualized investment advice. Past performance is no guarantee of future results.