1. Assistant Professor, Dept. of Civil Engineering, Middle East Technical Univ., Ankara, Turkey.
2. Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Berkeley, CA.
3. Taisei Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Berkeley, CA.
4. Professor, Dept. of Architecture and Building Engineering, Tokyo Institute of Technology, Tokyo, Japan.
5. Chief, Division of Engineering, California Dept. of Water Resources, Sacramento, CA.
6. Research Civil Engineer, U.S. Geological Survey, Menlo Park, CA.
7. Project Engineer, Fugro West Inc., Ventura, CA.