1. Senior Civil Engineer, Tetra Tech EC, Inc., 19803 North Creek Parkway, Bothell WA 98011.
2. Rubicon Professor and Effie C. & Donald M. Hardy Professor of Civil and Environmental Engineering, Louisiana State University, 3513E Patrick F. Taylor Hall, Baton Rouge, LA 70803.
3. Senior Geotechnical Engineer, U.S. Army Corps of Engineers, Engineer Research and Development Center, 3909 Halls Ferry Rd., Vicksburg, MS 39180.
4. Caroline and William N. Lehrer Distinguished Chair in Water Engineering, Professor of Civil and Environmental Engineering and Professor of Biological and Agricultural Engineering, Dept. of Biological and Agricultural Engineering, Texas A&M Univ., 321 Scoates Hall, College Station, TX 77843-2117.