The association includes a growing membership of architectural glass contractors and related suppliers in Colorado.
Sigman has held previous volunteer leadership positions with CGCA as program committee chairman and board trustee. Representing one of the founding companies of CGCA, Sigman draws from more than 20 years of experience in the industry. For the past decade, he has served as general manager of Gump Glass, part of Harmon's nationwide, locally based teams contributing to the entire lifecycle of the building's glazing exterior from new construction to repair and replacement to renovation.
A Colorado native, Sigman earned a degree in management and finance from the University of Texas at Austin.