Glen Clapper, an NRCA technical director, joined NRCA in 2019 and holds a bachelor of science degree in architectural studies and a master of architecture (structures option) degree from the University of Illinois in Urbana-Champaign. Clapper is a registered architect and a LEED AP. He began his career working for a small architectural firm, and during his summer breaks from college, he worked in residential construction as a carpenter, roofing worker and mason laborer. In 1989, he joined Wiss, Janney, Elstner Associates Inc. as an architect/engineer specializing in the investigation and repair of the building envelope. In 2001, he became the architectural services manager for the Southeast region of the Brick Industry Association where his responsibilities included industry representation at the local building codes and ASTM International in addition to responding to requests for information and performing project investigations.
Clapper's responsibilities within NRCA's technical department are responding to requests for technical assistance, representing NRCA at ASHRAE 90.1 and 189.1, ASTM D08, C16, E06, and E60, ICC, and USGBC. Clapper also is a member of AIA, ASHRAE, ASTM International, ICC, RCI and USGBC.