Darrell Zielinski

Darrell Zielinski is the President at All Ohio Threaded Rod, where he oversees the strategic direction and management of production, sales, and financial performance. With a background in environmental services and business development, Darrell has held various leadership positions in companies such as Ross Environmental Services, A&D Environmental Services, and MAR Systems Inc. He also has experience in M&A, corporate development, and strategic planning. Darrell holds a Bachelor of Science degree in Chemical Engineering from the University of Dayton.