Meet Gei's

Lissa Robinson, P.E., C.G., M.C.P.D.

Senior Civil Engineer, Hydrologist, Geologist, Land Planner

Lissa Robinson, P.E., C.G., M.C.P.D. is a Senior Civil Engineer and Branch Manager in GEI’s Portland, ME office. She has 30 years of consulting experience in civil and water resource engineering and hydrogeologic disciplines with emphasis in the areas of hydraulic engineering, and surface water and ground water hydrology.

She has worked extensively with clients to analyze waves and flooding in riverine and coastal settings. She helps clients understand the resiliency of structures, systems, processes, equipment and shoreland through her analysis of extreme precipitation, peak streamflow, storm surge, wave propagation, wave run-up, flooding and erosion. In addition to structure resiliency, her work supports emergency planning and the goals of protecting lives and reducing property damage from flood impacts.

As a scientist, project manager and land planner, Lissa helps guide industrial facilities, manufacturing companies and municipal, state and federal organizations with licensing, planning, investigation, analysis, permitting, remediation and redevelopment. Representative clients include federal and state agencies and organizations, the hydroelectric industry, water districts, municipalities, as well as residential, commercial and industrial facilities. Lissa has performed dam failure analyses, inundation mapping and Emergency Action Plan preparation as part of state and federal dam safety programs. Her work in FERC licensing includes preparation and implementation of study plans for hydrologic and hydraulic analysis and the preparation of applications for re-licensing at hydroelectric projects. She has also participated on FERC Part 12 D Inspections.

Lissa has provided Expert Witness/Litigation Support where she has evaluated claims, prepared expert opinions, given depositions and provided trial testimony. This support assisted attorneys and clients in evaluating and interpreting third-party expert evidence and opinions.

Lissa also helps clients bridge the gap between science and land use policy through her knowledge and experience in community planning and development.

Lissa has a M.S. in Community Planning and Development from the University of Southern Maine and a B.S. in Civil Engineering from Tufts University.

Page 1 Created with Sketch.   Connect on Linkedin

Portland, Maine


  • Licensed Professional Engineer: ME, NH, VT
  • Certified Geologist: ME
  • GEI Risk Management Committee (2011-2014)
  • GEI Ownership Committee (2017-Present)