Six (6) members - three (3) members and three (3) alternates. Appointments shall be made from a list of eligible nominees recommended by the County Executive. The list of eligible nominees shall be furnished to the County Executive by the Director of DPWES. Members and alternates shall be either Professional Engineers registered in the State of Virginia, specializing in soil and foundation engineering, or Engineering Geologists, licensed to practice engineering in the state of Virginia. The Director of DPWES shall solicit candidates or nominees from the following professional organizations of soil engineers and engineering geologists from other sources; American Society of Civil Engineers, Consulting Engineers Council of Metropolitan Washington, Association of Soil and Foundation Engineers, Virginia Society of Professional Engineers, Virginia Polytechnic Institute and State University, American Institute of Professional Geologists and Association of Engineering Geologists. The Director of the Office of Site Development Services, DPWES, shall serve as secretary to the Geotechnical Review Board, and shall be a non-voting member. The respective alternate to a member of the Geotechnical Review Board shall serve whenever that member cannot serve due to illness, conflict of interest or other reasons. Financial Disclosure Statements required.