OPN was founded in 1979 and has grown into an award-winning design studio with offices in Cedar Rapids and Des Moines, Iowa, and Madison, Wisconsin, and plans to expand to Iowa City, Iowa, in 2016. OPN is a regional, knowledge-based design firm, comprised of 100+ talented individuals engaged in open collaboration. Our practice is built upon strong relationships—with our clients and each other—and a commitment to doing what we say we’ll do. As a firm we are committed to the highest standards of professional practice and we enjoy the process and results of creating architecture that exceeds our clients’ expectations. OPN's diverse portfolio includes innovative work for public and private clients including Fortune 500 companies, colleges and universities, medical centers, states, counties and cities.
Registered Architects 28: Intern Architects 22; Interior Designers 7; Landscape Architects 1; Construction Administration 3; Administration, Firm Marketing Contact & Communications Support 10; LEED® AP 33
Bradd A. Brown, AIA, LEED AP; Terry L. Gebard, AIA, LEED AP; Steven K. Knierim, AIA; David Sorg, AIA, LEED AP; Daniel J. Thies, AIA, LEED AP; Richard Seely, AIA, LEED AP; Roger Worm, AIA, LEED AP, Wesley Reynolds, AIA, LEED AP; Danielle Hermann, AIA, LEED AP; Justin Bishop, AIA, LEED AP
Krause Gateway Center, Des Moines, Iowa; Hancher Auditorium Replacement, Iowa City, Iowa; U.S. Federal Courthouse, Cedar Rapids, Iowa; Cedar Rapids Public Library, Cedar Rapids, IA; Bright Grandview Golf Clubhouse, Des Moines, IA; State Hygienic Laboratory, Coralville, IA; Carnegie-Stout Public Library, Dubuque, IA; John Deere Harvester Works and Visitors Center, Moline, IL; OPN Cedar Rapids, Cedar Rapid, IA; OPN Des Moines Offices, Des Moines, IA; Cedar Rapids Convention Complex, Cedar Rapids, IA;Kirkwood Community College Hotel & Culinary Arts, Cedar Rapids, IA;ISU Biorenewable Laboratory, Ames, IA; Pioneer Transformation Science Laboratory, Johnston, IA;