1. Associate Professor, Department of Civil and Construction Engineering, College of Engineering and Applied Sciences, Western Michigan University, Kalamazoo, MI 49008-5316
2. Ph.D. Candidate, Department of Civil and Environmental Engineering, North Carolina State University, Raleigh, NC 27695-7908
3. Guest Researcher, National Institute for Standards and Technology (NIST), 100 Bureau Dr., Building 304, Stop 8262, Gaithersburg, MD 20899-8262; University Professor Emeritus, Department of Civil and Environmental Engineering, Carnegie Mellon University
4. Professor, Department of Civil and Environmental Engineering, Stanford University, Stanford, CA 94305-4020
5. Professor, School of Engineering, Computing and Construction Management, Rogers Williams University, Bristol, RI 02809-2921