Larry Roth has 50 years of geotechnical engineering experience, specializing in water resources projects that include dams and levees, earthworks, and general foundation engineering. He is the senior advisor to the Delta Stewardship Council on the $20 billion Bay Delta Conservation Plan and California WaterFix. He led the effort to develop a risk-based investment strategy for improvement of 1,100 miles of Delta levees in California. Mr. Roth served as chief-of-staff for the ASCE External Review Panel charged with review of after-action analysis of levee failures during Hurricane Katrina. He is currently vice president emeritus at Arcadis in Phoenix, Arizona. He is skilled in water management planning and design; risk and vulnerability assessments; and geotechnical engineering analyses.

Mr. Roth is a fellow of the American Society of Civil Engineers and Geoprofessional Business Association. He is licensed as a civil engineer in Arizona, California and Washington, and as a geotechnical engineer in California. His specialty certifications include: Diplomate, Academy of Geoprofessionals; Diplomate, American Academy of Water Resources Engineers; and ENV SP, Envision Sustainability Professional.  Mr. Roth earned his MSCE and BSCE at the University of Wisconsin–Madison.