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Stephan R. Tanner

Registered Architect AIA

Lives in Watertown, MN

Works in Minneapolis, MN

Stephan is a Swiss-born American architect with forty years of experience in high-performance real estate development, planning and design around the globe. His professional interest, combined with his passion for people, has led him to gain true international knowledge and local understanding. He is a graduate of the Minneapolis College of Art & Design and is recognized as one of the key leaders in sustainable design in the United States.


Stephan brought Intep to North America in 1998 and served as Principal since its incorporation in 2001. He provides sustainability consulting services for private real estate companies and public entities.



“Stephan is an experienced, passionate, unrelenting advocate for continual improvement and documented results.”

Former Client

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