John T. Christian (NAE) is a consulting engineer in Waban, Massachusetts. His primary area of interest is geotechnical engineering. Much of his early work involved developing and applying numerical methods such as the finite element method. He has also worked on reliability methods for geotechnical applications, soil dynamics, and earthquake engineering on a broad range of civil engineering projects. Dr. Christian’s current interests are largely focused on the use of reliability techniques in geotechnical engineering and on earthquake engineering. Much of his work in industry was associated with power generating facilities, including but not limited to nuclear power plants. Dr. Christian is also interested in the evolving procedures and standards for undergraduate education, especially as reflected in the accreditation process. He received his B.S., M.S., and Ph.D. degrees in civil engineering from the Massachusetts Institute of Technology.


Jos Dijkman is a flood management engineer with Deltares/Delft Hydraulics in Delft, The Netherlands. Mr. Dijkman has over 30 years of experience in water resources and flood management projects, both in the Netherlands and internationally. He has lived and worked for many years in Southeast Asia, where he focused on regional water management issues. He was also involved in many water management and flood mitigation projects internationally, including the United States (upper Mississippi River basin). He had played a leading role in several feasibility and public policy studies in the Netherlands related to mitigating current and expected future flooding risks. Among these was the “Room for the River” study, which set a new course for national flood risk management policy in the Netherlands. He also serves as a member of the independent Dutch National Advisory Committee on Flood Management Issues. Mr. Dijkman received his M.Sc. degree in civil engineering from the University of Technology, Delft, The Netherlands.


Robin L. Dillon-Merrill is an associate professor at Georgetown University’s McDonough School of Business. Her areas of specialty include decision and risk analysis, with applications in the fields of space missions, information systems, and worker safety issues. Prior to her appointment at Georgetown, Dr. Dillon served on the faculty at Virginia Tech’s Pamplin College of Business, and with Fluor Daniel, Inc., where she analyzed technologies and sites for tritium supply and recycling using decision analysis and a simulation of production assurance. She received her B.S. and M.S. degrees in systems engineering with risk analysis concentration from the University of Virginia, and her Ph.D. degree in engineering risk analysis from Stanford University.


Delon Hampton (NAE) is the chairman of the board at Delon Hampton and Associates in Washington, DC. His major interest is in the area of tunneling and underground design and construction. Dr. Hampton has been involved



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