Gayle Johnson has more than 35 years of experience as a project engineer, project manager, and engineering manager, Technical expertise in seismic engineering, especially in the marine industry. In addition to project experience, he has been very active in code writing activities and criteria development. He is Chairman of ASCE 61, the Standards Committee on Seismic Design of Piers and Wharves and was the Committee Chairman and primary editor for ASCE’s “Guidelines for Seismic Evaluation and Design of Petrochemical Facilities.” He is also the U.S. delegate to the PIANC Working Group 153 on Design of Marine Oil Terminals. He also managed the development of LNG Terminal Engineering and Maintenance Standards (LNGTEMS) for the California State Lands Commission. He has investigated the performance of industrial and marine facilities in more than twenty earthquakes throughout the world.