About Gross-Wen Technologies

Gross-Wen Technologies exists to help municipalities and industrial clients sustainably treat water in more effective and affordable ways! Our technology was developed at Iowa State University, and from there, we’ve grown into a trusted source for environmentally friendly wastewater processing.

Sustainable and Effective Water Treatment

Since our company’s conception, our mission has been simple: to provide algae-based water treatment that is sustainable, effective, reliable and affordable. We’ve reinvented the way nutrient pollutants are viewed through our process of extracting nutrients from wastewater with algae then recycling those nutrients through a fertilizer or bioplastic product.

Meet Our Team

Gross-Wen Technologies was founded by Dr. Martin Gross and Dr. Zhiyou Wen in 2014. Since then, we have invited other talented professionals to join our leadership team and help our company continue to grow.

Dr. Martin Gross

Founder, President & Chief Executive Officer
Expert in algal wastewater treatment technologies

Max Gangestad

Vice President & Chief Operating Officer
Background in water quality and sustainable agriculture

Dr. Zhiyou Wen

Founder, Chief Technology Officer
Expert in development of algal cultivation technologies

Paul Juffer

Chief Financial Officer
Seasoned executive with more than 35 years of leadership experience in all aspects of business and financial operations

David Takes, JD

Board Member and Advisor
President and CEO of Doerfer Companies
Doerfer is GWT’s manufacturing partner for the RAB technology

Patrick Ball, MBA

Vice President of Operations
Expert in wastewater treatment with a Grade 4 Operator License. Former Utilities Director for the City of Cedar Rapids

Dr. Xuefei Zhao

Research Scientist
Dual Ph.D in Engineering and Statistics. With over 10 years of R&D experience, she is an expert in microalgae cultivation systems integrated with wastewater treatment

Peter Bugg, MBA

Vice President of Sales
30 years of experience in global sales, production and development of new and advantageous Water and Wastewater treatment technologies

David Furbush

Board Member & Advisor
Retired from 30+ years of management consulting and program management

Ready For Better Water Treatment Technology?
Contact Us to Learn More

We don’t just think green,
we grow it ™
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