OPN Architects

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  • Daniel Thies
  • Steve Knierim
  • Bradd Brown
  • Roger Worm
  • David Sorg
  • Rick Seely
  • Terry Gebard
  • Wesley Reynolds

Firm Description

OPN practices a holistic blend of architecture, planning and design. We have an intentionally diverse list of clients and we work to provide each of them with exemplary service and innovative design solutions. While our market types are varied, our approach is clear and consistent. We believe in a collaborative, research-driven approach to every project. We believe that the success of a project is predicated on our understanding of our client—who they are, where they are today, and where they want to go tomorrow. We’ve been repeatedly described as excellent listeners—a comment we take pride in because it means our clients know that we care, we pay attention, and the end result is work that exceeds our clients’ expectations.

OPN was founded in 1979 and is led by Principals Daniel Thies, Steven Knierim, Bradd Brown, Terry Gebard, David Sorg, Roger Worm, Richard Seely and Wesley Reynolds with offices in Cedar Rapids and Des Moines, Iowa, and Madison, Wisconsin.

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.
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