1. Prof. and Dean of Fac. of Appl. Sci.; Univ. of British Columbia, Vancouver
2. Partner., Cook, Pickering and Doyle Ltd., Consulting Engr., Vancouver
3. Postdoctoral Fellow; Dept. of Civ. Engrg., Univ. of British Columbia and Lecturer in Civ. Engrg., Cambridge Univ., England, U.K.