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Board Member

Tammy Johnson, EMBA, PMP

CEO and President

Employee Owner Since 1991

Tammy Johnson leads Merrick with a vision for strategic growth, operational excellence, and a steadfast commitment to our legacy of employee ownership. In her more than three decades at Merrick, she has played an integral role in our company’s growth, from her early days as a structural engineer to spearheading major business initiatives. As CEO, her work centers on thoughtfully expanding our markets and capabilities while staying rooted in the company’s purpose, vision, and values. Tammy is dedicated to building a strong, sustainable future for Merrick—one that balances technical excellence with meaningful career opportunities for our employee owners.