1. Member, ASCE
2. Assoc. Prof., Dept. of Civ. Engrg. and Inst. for Sys. Res., Univ. of Maryland at College Park, College Park, MD 20742.
3. Des. Engr., Bridge Des. Div., Maryland State Hwy. Admin., Baltimore, MD 21203.
4. Chf. Technologist of Risk Mgmt., Tuttle Decision System, Inc., 655 Redwood Hwy., Ste. 200, Mill Valley, CA 94941.