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 crea