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Day & Zimmermann has promoted Jason Dunaway to President of its Maintenance and Construction Division, effective January 19, 2026. Previously serving as Executive Vice President of Operations, Dunaway will guide the division's evolution into a full-service engineering, procurement, and construction contractor, succeeding John McCormick, who is retiring after eight years with the company. Dunaway is also a member of the White House's Nuclear Power Project Management and Delivery Working Group.