Saif Siddiqui Named Chief Executive Officer of CIRCOR

Tony Najjar Appointed Vice Chairman of Board of Directors

BURLINGTON, Mass.--(BUSINESS WIRE)--CIRCOR International, Inc. (“CIRCOR” or the “Company”), a global manufacturer of flow control products for industrial, naval, and aerospace markets, today announced that Saif Siddiqui joined the Company as Chief Executive Officer, succeeding Tony Najjar, who has transitioned to the role of Vice Chairman of CIRCOR’s Board of Directors. Both appointments are effective January 26, 2026.

This transition reflects the Board’s continued focus on long-term value creation while positioning CIRCOR for the next phase of the Company’s growth. CIRCOR’s strategy remains unchanged.

“We want to thank Tony for his leadership as CEO and the progress CIRCOR has made under his direction, and we’re pleased to have him continue supporting the company as Vice Chairman,” said Dan Daniel, Executive Advisor for KKR Americas Private Equity and Chair of the CIRCOR Board of Directors. “We are excited to have Saif join CIRCOR as CEO, and we are confident in the strong leadership and depth of experience he brings to build on our momentum, executing our strategy with discipline and creating long-term value.”

“Serving as CEO of CIRCOR over the past four years has been the privilege of a lifetime,” said Tony Najjar. “I’m especially proud of making all 3,500 of our employees owners in CIRCOR’s success, and I am thrilled with what they have been able to accomplish as a result: stepping up, accelerating our success, and delivering for our customers every day. Our company is well positioned for continued growth, and I am confident that under Saif’s leadership and our strong team across the globe, CIRCOR will continue to reach new heights. I look forward to continuing to support Saif and our leadership team from my new role as Vice Chairman of the Board.”

“I’m honored to be joining CIRCOR at this historic time and am grateful to the Board for their confidence,” said Saif Siddiqui. “CIRCOR’s many unique strengths across teams, markets, and customer relationships position us well for the future. I’m appreciative of Tony’s leadership and value having the continued benefit of his experience. Working together in service of our customers, investors, and colleagues, I look forward to further accelerating growth, enabled by a culture of ownership, performance, and operational excellence.”

“Saif is a tenured leader with deep operating expertise and a strong customer-centric mindset. We are looking forward to seeing Saif lead the Company in its next phase of growth,” commented Josh Weisenbeck, a Partner at KKR. “We are grateful for Tony’s many contributions to the Company and his continued support as he transitions into his new role as Vice Chairman.”

About Saif Siddiqui

Saif Siddiqui is a seasoned global leader with deep experience driving profitable growth, operational excellence, and portfolio transformation across complex, multinational industrial businesses. Most recently, he served as the Chief Strategy Officer for Carrier Global Corporation. Prior to that, Saif served as the President, Asia Pacific, HVAC for Carrier, leading a multi-billion-dollar business based in Tokyo and Singapore, and Vice President, Global Commercial Fire & Controls for Carrier. He brings a strong track-record of building high-performing teams, advancing customer-led innovation across the lifecycle, and executing disciplined strategy with measurable results.

Earlier in his career, Saif held senior leadership roles spanning P&L / general management, enterprise strategy, and portfolio transformation across global hi-tech building systems and industrial businesses. His experience includes leading business turnarounds, acquisitions and divestitures, and driving performance in both mature and high-growth markets. He began his career in India in commercial leadership roles.

Saif holds an MBA from Yale University and a Bachelor of Engineering from the National Institute of Technology (India).

About Tony Najjar

Tony served as CIRCOR’s President and Chief Executive Officer from August 2022 through January 26, 2026, and has been with the Company since 2015. He was appointed CEO after serving as Chief Operating Officer and acting CEO earlier that year. Since joining CIRCOR, Tony has held several senior leadership roles, including President of the Aerospace and Defense Group and Vice President positions spanning sales, marketing, and operations. Across each role, Tony has led meaningful transformation by aligning teams around shared goals, improving performance, and advancing CIRCOR’s mission in critical flow control markets.

Prior to joining CIRCOR, he held leadership roles at Rockwell Collins, where he led business development, programs, and M&A, and at Kaiser Aerospace in engineering and general management. Tony holds a B.S. and M.S. in Mechanical Engineering from Oklahoma State University and an MBA from Pepperdine University.

About CIRCOR International, Inc.

Founded in 1999, CIRCOR International, Inc. designs, manufactures and markets differentiated flow control products and sub-systems for Aerospace & Defense and Industrial customers. The Company has a diversified product portfolio of recognized, market-leading brands (Allweiler®, Houttuin™, Imo®, Hale Hamilton, Aerodyne Controls, CIRCOR Aerospace, RTK®, Schroedahl®, Tushaco®, Warren® and Zenith®) that fulfill its customers’ mission critical needs.

CIRCOR markets its solutions directly and through various sales partners to more than 14,000 customers in approximately 100 countries. The Company has a global presence with approximately 3,500 employees and is headquartered in Burlington, Massachusetts. For more information, visit the Company’s website at http://circor.com.