Marc Stephen Theisen

Mr. Marc S. Theisen, M.Sc., CPESC 2402, CPSWQ 431, CESSWI 1060, has over twenty-five (25) years of experience in erosion/sediment control and storm water management on six (6) continents and serves as a volunteer on ECI’s Program Committee for the CPESC certification as a result of his expertise in the field. This committee is working on refining the scope of practice for that certification and expansion of the manual.

Over his career, Theisen has acted as a contractor, consultant, distributor and manufacturer. He is currently overseeing the development of a comprehensive line of erosion control, sediment control, turf reinforcement and stormwater treatment devices for Profile Products, an industry leader. Theisen holds related patents for hydraulically applied erosion control products, biotic soil media, sediment retention devices and turf reinforcement mats.

Mr. Theisen has long been involved in industry growth and standardization efforts and has authored numerous publications to integrate product and material technology through effective categorization, design, selection, and installation protocol. He remains an energetic member of the ASTM International D18 and D35 Committees on Erosion Control, Sediment Control and Geosynthetics.

Recently Theisen was a speaker for the National Stormwater Summit, an informative and comprehensive workshop to help keep the home builder industry environmentally compliant through proper selection of Best Management Practices (BMPs) and the development of cost effective Storm Water Pollution Prevention Plans (SWPPPs). In 2007, he was recognized by Stormwater Management magazine as a “Stormwater All Star” – as one of the most influential people in stormwater management, and in 2015 as a “Mover and Shaker” by Storm Water Solutions magazine. More recently, Mr. Theisen was awarded the IECA 2018 Technical Paper of the Year.