USRC Member

Simpson Gumpertz & Heger Inc. (SGH) is a national engineering firm that designs, investigates, and rehabilitates structures and building enclosures. Our goals are simple: earn the lasting trust of our clients, gain the respect of our most capable peers, and further the standards of practice in all areas of our profession. SGH is known throughout the world as a leader in performance based design. Our work on building code and standard development has positively influenced the building construction industry for more than 40 years. SGH has offices has six offices throughout the US. For more information, please visit

Senior SGH leaders including Ron Hamburger, Ron Mayes, David McCormick and Kevin Moore have been key players in the technical development of performance based engineering standards including FEMA P-58 and the SEAONC Buildings Rating efforts. These technical standards underpin the USRC’s ability to implement the EPRS and eventually develop building ratings related to seismic hazard.

Contact :

David McCormick
Kevin Moore
James Parker