our team
President
Tony Arts
Tony’s ascent to executive vice president transpired rapidly since joining Terra in 2010 as a project manager. In his current role, Tony oversees engineering, estimating and project management. He continues to be instrumental in forming the future of the company.
Tony received his bachelor’s degree in Civil Engineering from Michigan Technological University and his Master’s in Business Administration from the University of Wisconsin-Whitewater. Tony holds a Wisconsin Professional Engineers license in Civil Engineering.
Chief Financial Officer
Donna Kopp
As chief financial officer, Donna leads the accounting, finance and administrative departments. Since starting her career with Terra in 1995 as a staff accountant, Donna has evolved in roles and responsibilities to become a key component in the future of the company.
Donna is a graduate of University of Wisconsin – Whitewater with a bachelor’s degree in finance and a master’s degree in accounting. She holds a Wisconsin CPA designation.
Scott Zimmerman
As a visionary for Terra’s continued success, Scott has been innovative in moving the company into niche markets as current markets become flooded with competition. Since being named CEO in 2008, Scott has strategically driven the company in terms of growth and complexity.
Scott received his bachelor’s degree in Civil Engineering from the University of Wisconsin-Madison and holds a Wisconsin Professional Engineers license in Civil Engineering.
Chief Operating Officer
Gary Zimmerman
Gary’s long history with Terra begins as a teen working in the field and shop. Today as COO, he is responsible for providing overall direction to those areas. His area of emphasis includes managing the physical assets of the company and overseeing the daily operations of the field and shop.
Gary is a graduate of Northeast Louisiana University with a bachelor’s degree in Construction Management.
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