Doug Thiessen is former Chief Harbor Engineer and Managing Director of the Port of Long Beach, CA. During his tenure at Long Beach, he led the 250‐person Engineering Bureau that oversaw all design, construction, maintenance, survey, project management and project controls. He has overseen multi‐billion dollar capital budgets and annual port maintenance activities. His work includes 13 years at the Port of Los Angeles managing projects and teams.

With more than 36 years of professional experience, Mr. Thiessen's planning and leadership work has feasibility studies, operational analysis, the development of general cargo terminals, conventional and automated container terminals, and rail intermodal facilities. In addition, he offers expertise in upland facility site development, including building and site demolition, intermodal rail yard, streets, infrastructure improvements, container terminal gate facilities, buildings, wharf structures, bridges, dredging and landfill construction. In addition to new construction, his background includes inspections and repairs and rehabilitation of Port facilities.

Mr. Thiessen has a Bachelor of Science in Civil Engineering from the University of Southern California (USC) and completed graduate work in seismic and geotechnical engineering from USC.

From 2000 to 2016, Doug Thiessen was faculty instructor at Cal State University Long Beach graduate school of Civil Engineering and Construction Management. He was also a member of the CSULB Engineering School advisory Board. He taught Seaport Planning and Design.

Mr. Thiessen is former chair of the ASCE National Ports and Harbors Committee and has published numerous papers on Port design, project management and operations.

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