John Sumnicht has over thirty years of diverse experience in the design and retrofit of buildings and other structures.  Along with a strong background in commercial and residential work, he has extensive experience in the seismic rehabilitation of existing structures, including a number of historically significant buildings. His projects vary in size and have included designs using structural steel, reinforced concrete, post-tensioned concrete, wood, and masonry.  Mr. Sumnicht taught at the University of Illinois and for the U.C. Berkeley Extension program.  His projects include institutional, commercial, and industrial structures.