1. Research Assistant Professor, Dept. of Civil Engineering, Univ. of Waterloo, ON, Canada N2L 3G1.
2. Canada Research Chair Professor, Dept. of Civil Engineering, Univ. of Waterloo, ON, Canada N2L 3G1.
3. Distinguished Professor Emeritus, Dept. of Mechanical Engineering, Univ. of Waterloo, ON, Canada N2L 3G1.