1. Assistant Professor, Dept. of Civil and Environ. Engr., FAMU — FSU College of Engineering, Tallahassee, FL 32310
2. Prof., Dept. of Civil and Environ. Engr., University of Wisconsin-Madison, Madison, WI 53706
3. Asso. Professor, Dept. of Civil and Environ. Engr., University of Wisconsin-Madison, Madison, WI 53706