Aaron Lewis is the Structural Engineering Region Head for Simpson Gumpertz & Heger’s East Coast operations. He is involved in diverse applications of civil, geotechnical, and structural engineering and consulting. His experience includes engineering for heavy civil infrastructure, excavation support design, flood risk evaluation and mitigation, marine engineering, precision movement monitoring, and constructability and construction cost analysis. He has contributed substantially to the ASCE 7 Rain and Snow Load Subcommittee, particularly in the area of ponded rain loads on roofs. Aaron has authored papers on his activities and made presentations to industry groups and at public hearings.