Gross-Wen Technologies (GWT), a Slater-based wastewater treatment technology company, announced the hiring of Steve Wirtel as its new vice president of business development. Wirtel is a licensed engineer with a bachelor’s degree in civil engineering and a master’s degree in environmental engineering from the University of Illinois. His experience includes working with other water technology companies, including U.S. Filter, during times of growth. His background will allow him to collaborate closely with GWT’s teams and anticipate potential challenges, a news release said. “[Steve] was a difference-maker in the rapid expansion of other companies who, like GWT, brought to market water technologies that disrupt legacy wastewater treatments and provide vast benefit to communities,” Martin Gross, the co-founder and CEO of Gross-Wen Technologies, said in a prepared statement. “Steve’s expertise in identifying opportunities, building strategic partnerships, and scaling businesses aligns perfectly with our vision for innovation in the renewable energy ecosystem. With his leadership, we are confident in accelerating the adoption and implementation of our water solution worldwide.”