A Two-week short course on structural reliability, Southwestern Jiaotong University, Departments of Applied Mechanics and Civil Engineering, Emei, People's Republic of China, June 10-24, 1985.

A Lecture on structural reliability, Kuwait Institute for Scientific Research, Building Department, Kuwait, August 17, 1985.

A Lecture on structural reliability, The Johns Hopkins University, Department of Civil Engineering, Baltimore, Maryland, October 8, 1985.

Lectures on structural reliability applied to bridge structures at three one-day workshops on reliability engineering, Center of Reliability Engineering, Center of Adult Education, University of Maryland, College Park, Maryland, March 11, March 24 and April 14, 1986.

A Lecture on Prestressed Composite Steel/Concrete Girders and Welded Steel Mesh in Bridge Decks," Building Department, Kuwait Institute for Scientific Research, Kuwait, July 6, 1987.

Lectures on Structural Reliability and Applications of Fuzzy Sets, David Taylor Research Center, Bethesda, Maryland, February and May 1990.

Lectures on Structural Reliability, Structures Group, Naval Sea System Command, Crystal City, Virginia, November 1989 and July 1990.

A Two-day short course on "Reliability of Structural Components and Systems," with M.H.M Hassan, Maryland Instructional Television and the National Technological University, College Park, MD, July 21 and 22, 1992.

A Review Short Course on the "Principles and Practices of Engineering - Structural Engineering," with D. Suess, The Office of Continuing Education, The University of Maryland, Baltimore County Campus, August 17 - October 14, 1992.

A Lecture on "Structural Reliability Assessment with Ambiguity and Vagueness in Failure," The University of Delaware, Department of Civil Engineering, Newark, DE, December 3, 1992.

A 16-lecture short course on "Reliability Methods for Ship Structures," given to engineers and researchers from the Naval Sea Systems Command, US Navy, Spring 1994.

A 12-lecture short course on "Reliability Methods for Ship Structures," given to engineers and researchers from the Carderock Division of the Naval Surface Warfare Center, US Navy, Winter 1995.

A 12-lecture short course on "Reliability Methods for Ship Structures," given to engineers and researchers from the Naval Sea Systems Command, US Navy, Spring 1995.

A Lecture on the nature of uncertainty in structural engineering, The Johns Hopkins University, Department of Civil Engineering, Baltimore, Maryland, December 5, 1995.

A 3-day short course on "Reliability Methods for Marine Systems," given to engineers and researchers from the Carderock Division of the Naval Surface Warfare Center and the Naval Sea Systems Command, US Navy, Spring 1997.

A Lecture on the nature of uncertainty in structural engineering, The Johns Hopkins University, Department of Civil Engineering, Baltimore, Maryland, 2000.

A lecture on risk methods for ship stability, Naval Stability Standards Working Group Meeting, 4 and 5 December 2001, Wageningen, The Netherlands.

A lecture on risk methods for ship stability, Naval Surface Warfare Center, Carderock Division, 15 January, 2002, Maryland.

Ayyub, B. M., (invited Distinguished Lecture by the Brazilian Research Agency) "Risk-informed Inspection of Industrial Equipment," 17th International Congress of Mechanical Engineering, COBEM2003, São Paulo, Brazil, November 2003, 10 pages.

Ayyub, B. M., (invited Keynote Lecture by the University of Glasgow and the University of Strathclyde) "Ignorance Analysis for Discovery and Knowledge Construction," 2^nd International ASRANET Colloquium, the Network for Integrating Structural Safety, Risk and Reliability, July 5-7, 2004, Barcelona, Spain.

Ayyub, B. M., (invited participant) “Uncertainty Analysis, and Efficient Networked Systems,” Critical Infrastructure Protection R&D Workshop for Academic and Federal Lab R&D Providers, U.S. Department of Homeland Security, Washington, DC, June 2005.