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

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

October 1994, "Da Vinci Agent Society Initiative," Electric Boat Corporation, Connecticut.

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

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

** Outgrowth of supervised student research