1. Honorary Member
2. Associate Member, ASCE
3. Fred Champion Prof., Dept. of Civ. Engrg., Univ. of Southern California, University Park, CA 90089-2531.
4. Assoc. Prof., Dept. of Civ. and Envir. Engrg., Univ. of California, Irvine, CA 92697-2175.
5. Visiting Prof., Dept. of Civ. and Envir. Engrg., Univ. of California, Irvine, CA.