Lori A. Simpson, PE, GE

Senior Principal

With almost 30 years of experience, Lori Simpson specializes in geotechnical engineering on sites with challenging subsurface conditions that include liquefaction, consolidation, expansion potential, caving soil, shallow groundwater, and highly variable stratigraphy. Her projects are in a wide range of sectors, including high-rises, multi-family residential, commercial, sports facilities, educational and laboratory research facilities, affordable housing, schools, bridges, piers, infrastructure, and public open space.

Simpson is a Trustee with the Deep Foundation Institute (DFI), and a member of its Codes and Standards Technical Committee and Women in Deep Foundations Committee. Through DFI, Simpson has devoted hundreds of hours working with colleagues on making updates to the International Building Code. She was awarded DFI’s President’s Award in 2016. She leads Langan’s Oakland office and enjoys mentoring staff in their career development.