Nathaniel Smith joined Simpson Gumpertz & Heger Inc. (SGH) in 2006. He has fifteen years of engineering experience including structural design, investigations of building damage and collapses, repair and rehabilitation projects, and monitoring of foundation installations. His background in geotechnical engineering provides him with knowledge of soil and foundation types that aids him in performing structural evaluations of existing buildings and investigations of structural damage and collapses. He has over five years of full-time field engineering experience and uses that experience in his design and investigation projects. Mr. Smith has also given numerous presentations on the effects of adjacent construction on existing structures.