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Graham Corporation Appoints Jonathan W. Painter as Chairman of the Board
Graham Corporation Appoints Jonathan W. Painter as Chairman of the

About this update from Graham Corporation
Graham Corporation (NYSE: GHM), a global leader in the design and manufacture of mission critical fluid, power, heat transfer, vacuum, and advanced mixing technologies for the defense, space, energy, and process industries, today announced that Jonathan W. Painter has been appointed Chairman of the Board of Directors, effective June 15, 2026. The appointment follows the decision by Daniel J. Thoren to retire and step down from his role as Executive Chairman and as a Director as part of the executive transition plan announced in February last year. Mr. Thoren will continue to serve as a Strategic Advisor to the Company through June 2027 with a focus on business development initiatives. Mr. Painter previously served as Chairman of the Board until June 2025, when he transitioned to Lead Independent Director as part of the Company’s CEO succession plan. As part of Mr. Thoren’s planned transition, Mr. Painter will reassume the Chairman role, providing governance continuity as the leadership transition has been completed. Mr. Thoren’s retirement from the Board of Directors marks the next phase of the CEO succession plan announced in February 2025. Following his transition, the Board will return to seven directors, consistent with its prior structure, having been temporarily expanded to eight members to support the leadership transition. Mr. Thoren transitioned from President and CEO to Executive Chairman in June 2025, focusing on business development activities and working closely with CEO, Matthew J. Malone and the leadership team on strategic initiatives. Jonathan W. Painter, Chairman of the Board of Directors, said “I am honored to reassume the role of Chairman as we complete the next phase of our planned leadership transition. On behalf of the Board, I want to express our deep gratitude to Dan for his exceptional contributions to Graham Corporation over the last five years. His leadership as CEO and Executive Chairman has been instrumental in positioning the company for continued success. Under Matt’s leadership over the past year, Graham has performed exceptionally well, and I have complete confidence in his vision and ability to drive the company forward. The Board remains committed to supporting Matt and the entire leadership team as we pursue our strategic objectives and create value for our shareholders.” Daniel J. Thoren, Executive Chairman, said “It ...
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