Jeff Sommers

Jeff Sommers was also instrumental in helping UAct’s formation and has served as a member of the affordable housing exploration team. Jeff is the founding principal of Square Root Architecture + Design and a recognized industry leader in sustainable design and prefabricated construction. With his passion for architecture, building science and technology, Jeff set out to define a better way for marrying quality design with high performance and construction efficiency. In 2010, after several years of R&D, Jeff successfully built Chicago’s first prefab modular, LEED® Platinum, residence, known as the C3 Prefab, on the City’s near Westside. Since then, Jeff has continued to refine his designs and leads the way as a pioneer in urban architecture and construction. His award-winning work has been recognized in many publications, including Prefabulous + Almost Off the Grid (foreword by Robert Redford), Green Building & Design Magazine, and others. Jeff was recently recognized by the readers and editors of, a renowned design and real estate blog, as 1 of 8 groundbreakers in the field of architecture in the United States.