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Day & Zimmermann (D&Z) has announced the promotion of Jason Dunaway to President of D&Z Maintenance and Construction, effective January 19, 2026. Dunaway, previously Executive Vice President of Operations, will lead the division's transition into a full-service engineering, procurement, and construction (EPC) contractor.

He has been influential in expanding D&Z's services while maintaining a focus on safety and customer value. Dunaway is also a member of the White House's Nuclear Power Project Management and Delivery Working Group. He succeeds John McCormick, who is retiring on January 16 after five years as president and over eight years with D&Z, during which he achieved record growth in 2024 and 2025.