Our Team

Meet Our Team

James Smits


James Smits is the founder and President of Interface H2O. He is a passionate educator and is dedicated to efforts that showcase the importance of green infrastructure in public and private development across the Midwest. He works with engineers, architects, and government officials to solve existing water issues and provide customized solutions for new developments. He has a deep appreciation and respect for the natural environment, and is devoted to supporting water-related environmental causes locally and internationally.

James is an expert in finding and implementing the right sustainable infrastructure solution for your project.

He is a graduate of Hope College in Holland, Michigan and is a member of the International Erosion Control Association (IECA), Macatawa Area Coordinating Council (MACC), and Michigan Water Environment Association (MWEA).

Dennis Gebben


Dennis has been a part of Interface H₂O since its origin and serves as a resource to the team. With a bachelor’s in geology from Grand Valley and a master’s in geology from Western Michigan University, Dennis is no stranger to environmental work.

Dennis has over 45 years of experience in the environmental industry, including companies like Williams & Works, WW Engineering & Science Inc., and Earth Tech, Inc. Some of his accomplishments include developing WWES’ Environmental Services Division and directing a nationwide services program for railroads.

Dennis has previously served two, four-year terms as a Councilman for the City of Zeeland, a five-year post as Commissioner of the Zeeland Board of Public Works, and was a member of the Holland Charter Township Planning Commission.

Bill Elhart

Sales Representative

Passionate about keeping water fresh and clean, Bill is dedicated to finding the right stormwater solution for each environmental problem.

Bill joined the Interface H₂O team with over 30 years of sales experience and a bachelor’s in business administration from Hope College. He implements Interface H₂O’s product line and educates companies on the stormwater solutions available and their benefits.

Kerri-Sue Smits


At Interface H₂O, Kerri-Sue builds relationships with clients and implements management practices for our company. Kerri-Sue developed a passion for sustainability while studying science at Hope College and manages our participation in events like the Macatawa Water Festival.

Kerri-Sue is dedicated to to building awareness around alternative solutions to excess stormwater and educating our community on green infrastructure.

Kerri-Sue serves on the Laketown Counseling Centers Board.