Dana Trierweiler, P.E., is a co-founder of IAI, and has been with the company since its inception. As President and CEO, Mr. Trierweiler has ultimate responsibility for directing the company’s business and client matters. He has over twenty-five years of design and project management experience in general civil engineering which brings exceptional expertise to the design of our dredging projects and integrated wastewater services. His leadership has been integral to the development and growth of IAI’ dredging and dewatering services.
Bill Cretens is the founder of IAI, (IAI) and is currently serving as Chairman. Mr. Cretens has over 35 years of experience in the U.S. water and wastewater industry. This experience is the foundation for IAI’ growth and success in the fields of water and wastewater utility Contract Operations and sediment dewatering. As a result of Mr. Cretens’ leadership, IAI enjoys an impeccable reputation as one of the Great Lakes region’s leading Contract Operations firms, operating water and wastewater utilities on behalf of municipal and industrial clients with the highest regard for safety, environmental stewardship, and efficiency.
Kent Trierweiler, P.E., serves as Vice President and leads IAI’ Contract Operations and Engineering & Technical Services Division. Mr. Trierweiler has more than 30 years of experience in the civil engineering field, primarily in wastewater collection and treatment, water treatment and distribution and groundwater remediation.
Paul Stage functions as IAI’ Vice President and Director of Dredging & Dewatering Operations. In this capacity, he is responsible for the leadership and management of the Company’s dredging and sediment dewatering projects. His 20-plus years of diverse operations and maintenance experience, including 10 years specialized experience in the management of large-scale dredging projects, delivers strong technical, regulatory, and management expertise to our clients.