1. Associate Member, ASCE
2. Member, ASCE
3. Postdoctoral Fellow, Envir. Energy Technol. Div., Lawrence Berkeley National Lab., One Cyclotron Rd., M/S 90-3058, Berkeley, CA 94720; formerly, Grad. Student, Dept. of Civ. and Envir. Engrg., Carnegie Mellon Univ., Pittsburgh, PA 15213. E-mail: mdsohn@lbl.gov
4. Prof., Dept. of Engrg. and Public Policy, Carnegie Mellon Univ., Pittsburgh, PA.