Meet Gei's

Donghai Wang, Ph.D., P.E.

Vice President

Dr. Donghai Wang is a Professional Civil Engineer and leader of GEI’s data management team in Sacramento. His specialized expertise encompasses geospatial data management, spatial analysis, web-based GIS application development and database-driven website maintenance. He has extensive experience in GIS-related hydrology, hydraulics and water management projects in Northern California, and is familiar with San Joaquin/Sacramento Bay-Delta issues and state contracting processes. Dr. Wang has the distinction of performing as technical lead for the development of several sophisticated flood management tools for the California Department of Water Resources’ (DWR) $250 million Flood Emergency Response Program.


Sacramento, California


  • Licensed Professional Engineer: CA