1. Professor, Dept. of Civil Engineering, Florida State Univ., Tallahassee, FL.
2. Assistant Professor, Ecole Nationale d’ Ingenieurs de Gabes, Dept. de Genie Civil, Gabes, Tunisia. LASMAP, Ecole Polytechnique de Tunisie, Univ. of Carthage, Tunisia.
3. Principal Consultant, Pacific Environment, LLC, South Brisbane, QLD, Australia.
4. Research Scientist, Argonne National Laboratory, Chicago, IL.