1. Fellow, ASCE
2. Postdoctoral Res. Fellow, Advanced Civ. Engrg. Mat. Res. Lab., Dept. of Civ. and Envir. Engrg., Univ. of Michigan, Ann Arbor, MI 48109-2125.
3. Assoc. Prof., Dept. of Struct. Engrg. and Mat., Tech. Univ. of Denmark, DK2800, Lyngby, Denmark.
4. Prof. and Dir., Advanced Civ. Engrg. Mat. Res. Lab., Dept. of Civ. and Envir. Engrg., Univ. of Michigan, Ann Arbor, MI.