KEITH COLLIS joined Walker Coen Lorentzen in 2014 as a CAD technician. Keith has an Associate of Applied Science in Architectural Drafting, graduating top of his class at Hamilton College; Iowa’s oldest continuously operating career college specializing in business education.  His seventeen years of professional experience in Architectural and Structural Drafting and his background in building construction are meaningful assets to the firm. Before his interest in building construction led him to study Architectural Drafting in college, Keith served the United States Marine Corps.


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