Derek Oosterhouse, President

Derek was first involved with seeding and erosion control projects from an installation and contractor’s perspective when working for a large landscaping firm in West Michigan.  In 2008, he joined the Michigan based company, HMI Worldwide, as an International Sales Manager, working with several equipment and material manufacturers, developing and managing their international business.  In 2010, Derek was brought on to Profile Products’ international team under the role of International Technical Support Representative, providing technical and sales assistance to all international territories.  Soon after joining Profile Products, he was promoted to Regional Business Manager, focused on business development in the Asia Pacific region, and eventually to concentrate responsibilities in several states and provinces in the Midwest U.S. and Eastern Canada territories.  Under this role, he has been actively involved with consulting and training on various large-scale projects in the mining, pipeline and infrastructure industries.  Derek has project and business management experience in more than 25 countries, covering a variety of challenges and unique opportunities in his experience.  He has been an active member of the Great Lakes Region, Toronto Region and Australasia Region chapters of IECA.

Company: Profile Products LLC

Jonathan Koepke, Treasurer

Jonathan Koepke is the Vice President and General Manager for ENCAP, Inc. in Sycamore, IL. and the Treasurer of the IECA Region 1 BoD Jonathan Koepke has been with ENCAP, Inc. since 2006. Prior to coming to ENCAP, Jonathan was the Resource Conservationist at the Kane-DuPage Soil & Water Conservation District. While at the KDSWCD for 5 years, he performed erosion control plan review and site inspection for compliance with US Army Corps of Engineers, IEPA, and Municipal erosion and sediment control regulations. Jonathan is a three time graduate of Northern Illinois University where he completed both his Bachelors and Masters degrees and holds a Masters in Business Administration. His areas of expertise and interest include streambank stabilization and restoration techniques, Polyacrylamide use for erosion and sediment control, and revegetative techniques on construction sites. He is also the current President of the Great Lakes Chapter of the International Erosion Control Association (IECA).

Company: ENCAP, Inc.

Adam Dibble, Vice President

Adam Dibble joined Profile in 2009 and started his career as a marketing manager and quickly moved into senior leadership positions.

With over 10 years of erosion control and marketing experience, Dibble has played an integral role in raising awareness of environmentally friendly practices. Through his leadership skills, Dibble has also educated the erosion control industry on best management practices and technological advancements. His marketing responsibilities include building brand awareness, creating and implementing value-added marketing programs, market development, new product development, raising awareness of environmental erosion control practices and overseeing business development with partners around the world.

Dibble is a current member of the Erosion Control Technology Council, Sports Turf Manager Association and the American Marketing Association. He has been active with the Save Our International Soil (SOIL) committee for many years. He has been recognized as a Stormwater Solutions Rising Star (2016), an IECA Outstanding Professional (2017) and earned the 2018 Sigma Pi Fraternity Young Professional Achievement Award and received a 4 under 40 young professional achievement recognition in February 2020. Dibble has also published numeous articles for the erosion control industry and has a Dale Carnegie certification. He received bachelor’s degree in business and marketing from Ferris State University.

Dibble previously held positions with Nike and the National Association of Realtor

Company: Profile Products LLC

Mark Hornyak, Secretary

Mark Hornyak has over 7 years of site development experience and has performed as a key member of all phases of project management. His Project Management experience includes telecommunications, stormwater, and warehouse/office new construction.

Vision Statement: Mark has joined the board to provide a Midwest / Great Lakes voice to the IECA and hopes to achieve better collaboration between industry leaders and associations in Ohio with the greater IECA membership and events.

Company: Terracon

State Representatives

Aaron Mylnek, Minnesota
CPESC, CESSWI, CISEC, QSD/P Technical Director, Construction Stormwater Compliance

Aaron has more than 15 years of experience as a construction stormwater compliance specialist. As Westwood's technical director for construction stormwater compliance, he is responsible for the development, updating, and coordination of NPDES/SWPPP compliance services including narratives, erosion and sediment control plans, typical details, inspections, and other construction stormwater compliance services. Aaron focuses on corporate quality control and implementing service and product industry standards for Westwood clients nationwide. While coordinating and managing a national program, Aaron provides consistent products tailored to the regional demands and unique needs of the land, energy, and power delivery markets.

Vision Statement: Aaron has joined the board to provide a Midwest / Great Lakes voice to the IECA and hopes to achieve better collaboration between industry leaders and associations in Minnesota with the greater IECA membership and events.

Company: Westwood Multi-Disciplined Surveying & Engineering

Jeff Ward, Ohio

Jeff Ward is the Director of National Accounts for Profile Products, based in Buffalo Grove, IL. Jeff is responsible for and covers a nationwide footprint managing those companies and works closely with distributors and contractors to help educate and grow the erosion control market.

Jeff holds a Bachelor’s of Arts in Business Management from Marietta College. Jeff joined Profile products in 2015, prior to that he was with Central Fiber. Jeff has 24 years’ experience in the Erosion Control/ Hydraulic Mulch business

Company: Profile Products

Michael Nelson, Wisconsin

Mr. Michael R. Nelson is employed by American Excelsior Company - Earth Science Division - Arlington, TX, as a Technical Service Representative. Mr. Nelson focuses on specification work, provides various day-to-day technical services, and organizes much of the data produced at ErosionLab®. Mr. Nelson has a Bachelor of Science degree in Biology received at the University of Wisconsin - River Falls. Mr. Nelson has decades of work experience in erosion control research and development, erosion control product applications, trout stream habitat restoration, and highway construction. Mr. Nelson is a member of the International Erosion Control Association (IECA) and he is a Certified Professional in Erosion and Sediment Control (CPESC) as well as a Certified Professional in Storm Water Quality (CPSWQ).

Company: American Excelsior

Ben Cross, Indiana

Ben Cross Midwest Stormwater Specialist for EJ Prescott, Ben has a combined 24 years of experience in construction, engineering design, sales and marketing. Prior to joining EJ Prescott Ben was involved with several of the engineering specialty disciplines including Geosynthetics, Water & Wastewater, Heavy Civil Construction (Road and Bridge Design) and Storm Water Design. Ben has a Bachelor of Science in Civil Engineering from the University of Kentucky and has his PE license in Indiana and Ohio. Ben spent the first 8 years of his career as a project engineer with INDOT in the Seymour district.

Company: EJ Prescott

Kevin Boyce, Illinois

Kevin Boyce is a Territory Manager for American Excelsior Corporation, based in Arlington, TX. Kevin is responsible for a 6 state territory including IL, IN, MI, OH, KY and WV and works closely with specifying engineers and contractors to ensure erosion and sediment control measures are effective.

Kevin holds a Bachelor’s of Arts in Landscape Architecture from Purdue University and an MBA degree from the University of Indianapolis. Since starting with American Excelsior in 2018 Kevin has been active on several industry committees.

Vision Statement: Kevin has joined the Great Lakes Chapter of the IECA to foster improved collaboration between erosion and sediment control experts across the Midwest.

Company: American Excelsior


Kim Kline, Administrative Assistant

Kim is a creative professional with experience in all aspects of successful marketing, advertising, public relations, event planning, social networking and management. She excels in managing multiple projects concurrently with strong detail, problem solving and follow-through capabilities. Kim’s demonstrated ability to manage and motivate cohesive teams that achieve results is one of her greatest assets.

Kim serves as support for associations and is responsible for the technical and educational programming of conferences and regional events. Kim also plays a key role in successfully championing innovative initiatives including webinar development and video re-broadcasting of education/conference content, delivering an excellent experience for both attendees and the associations that she has represented. Years of involvement with trade organizations and associations has allowed her to develop long term, successful business relationships across many industries.