1. Graduate Student, Dept. of Civil and Environmental Engineering, American Univ. of Beirut, Beirut, Lebanon.
2. Postdoctoral Researcher, Laboratory of Soil Mechanics, Swiss Federal Institute of Technology in Lausanne, Lausanne, Switzerland.
3. Associate Professor, Dept. of Civil and Environmental Engineering, American Univ. of Beirut, Beirut, Lebanon.
4. Professor, Dept. of Civil and Environmental Engineering, American Univ. of Beirut, Beirut, Lebanon.