Meet the Team
Renewabuild Great Plains was founded by Midwest hemp farmers, processors, and builders who saw a better way to build — and decided to bring it to market themselves.
BUILT BY PEOPLE WHO FARM IT, PROCESS IT, AND BELIEVE IN IT.
BILL BREHMER
PRESIDENT & CEO
Bill leads Renewabuild Great Plains, having driven the company from its founding vision to the first official U.S. license for the Renewabuild structural wall system. Based in Rock Valley, Iowa, he’s focused on building the regional supply chain and manufacturing platform that connects farmers, processors, and builders across the Midwest.
PETER SUYAMA
CHIEF MARKETING OFFICER
Peter leads marketing and growth strategy for Renewabuild Great Plains, helping bring a next-generation building system to architects, developers, and builders across the Midwest and beyond.
STEVE VONK
VICE PRESIDENT OF OPERATIONS
A third-generation farmer with 35+ years in agricultural operations, Steve co-founded HempAgra in 2025, now farming and coordinating roughly 1,500 acres of industrial hemp across the Midwest. He plays a key role in building Renewabuild’s regional supply chain, connecting farmers, processors, and manufacturers.
KEN MEYER
CO-FOUNDER
Ken brings deep hemp-processing expertise to Renewabuild Great Plains, helping build the regional supply chain that turns locally grown hemp into precision-engineered structural blocks.
JOHN PETERSON
CO-FOUNDER
John co-founded Renewabuild Great Plains to connect the region’s hemp supply chain directly to the construction industry, helping scale a lower-carbon alternative to conventional building materials.