Gayle Johnson, P.E.
Senior Principal
Simpson Gumpertz & Heger Inc. (SGH)
Oakland, California, United States
Marc I. Percher, P.E. – GHD
Carlos E. Ospina, PhD, P.E. – Simpson Gumpertz & Heger Inc.
Jhon P. Smith, Ph.D., P.E., S.E., M.ASCE – Seattle University
Nason McCullough, Ph.D., P.E., G.E., M.ASCE – Jacobs
Daniel He – California State Lands Commission
Julie A. Galbraith, P.E. – Simpson Gumpertz & Heger Inc.
Stephen E. Dickenson, Ph.D., P.E., BC.PE., M.ASCE – New Albion Geotechnical
Stuart Stringer, P.E., S.E. – Moffatt & Nichol
Brett W. King, P.E., SE – WSP USA, Inc.