Hawaii Loa Ridge



What can Sheryl do for you?

Sheryl has been with Gray, Hong, Nojima & Associates, Inc. (GHN) since 2001 and is responsible for environmental and civil services of the firm. She is currently the principal-in-charge for regulatory/permitting assistance, preparation of environmental assessments (EA), hydrologic and drainage studies, and civil sitework projects. As the managing partner, she is also responsible for the firm’s business development and administration.


  • PhD, University of Hawaii at Manoa, 2000
  • MS, Civil Engineering, University of California at Berkeley, 1981
  • MBA, University of Hawaii at Manoa, 1991
  • BS, Civil Engineering, University of Hawaii at Manoa, 1980


  • Environmental Engineer - Oregon, 1994
  • Civil Engineer - Oregon, 1994
  • Civil Engineer - Hawaii, 1984
  • PACP/MACP NASSCO Certification, 2012
  • CIPP Inspector Training & Certification, 2010


  • Airport Sewer Rehabilitation/Reconstruction
  • Honolulu Water System Improvements Environmental Assessment
  • Ironwoods at Kailua (Ka Malanai, Phase 1)
  • Palehua East B (Wai Kaloi at Makakilo)
  • Meleana Place Drainage Improvements
  • P-493 Waiwa Transmission Line, Joint Base Pearl Harbor-Hickam


  • American Council of Engineering Companies of Hawaii (Past President)
  • Dean’s Council, University of Hawaii College of Engineering
  • American Society of Civil Engineers, Hawaii Section
  • Water Environment Federation, Hawaii National Delegate
  • Hawaii Workforce Development Council


  • Engineer of the Year, Hawaii Society of Professional Engineers, 2011
  • Chapter Honor Member, Chi Epsilon Civil Engineering Honor Society, University of Hawaii, 2015
  • Distinguished Alumna, University of Hawaii, College of Engineering, 2015