January, 2004 "Interdisciplinary Research in DARE: Disaster Aware/Resistant Critical Infrastructure," National Academies Convocation on Facilitiation Interdisciplinary Research, Washington DC.

November, 2003 "DARE: Disaster Aware/Resistant critical infrastructure - Collaboration Perspective," Keynote Speech at the ASCE 2003 Convention, Information Technology in Civil Engineering Conference, Nashville, TN.

March, 2002 "Dynamic Project Management for Civil Infrastructure Systems," NAE Frontiers of Engineering, Irvine, California.

May, 1999, "Collaborative Learning Environments," Keynote Speaker on the 1999 Distance Learning Symposium at the Universidad Catolica de Chile, Santiago, Chile.

February, 1999, "IT-Enabled Construction Offices," Keynote Speaker at the Japanese Conference on Productivity in Construction, Tokyo, Japan.

June, 1996, Keynote Speaker for the Panel 96 - XXII Conferencia Latinoamericana de Informática, Bogotá, D.C., Colombia with the presentation "Artificial Intelligence in Engineering."

Panel Member, "Minority and Women Perspective," NAS/NAE/IOM Committee on Science, Engineering, and Public Policy (COSEPUP) "Reshaping the Graduate Education of Scientists and Engineers" 1995 Study      

October 1994, Plenary Presenter, "SHARED-DRIMS," Thirteenth Annual Conference of Ford Foundation Fellows, Washington, DC.