American Society of Civil Engineers (ASCE), Fellow, member since 1981

	Member of the ASCE Committee on Forensic Engineering, 1984-88
	Member of the ASCE Committee on Practices to Reduce Failures, 1984-88
	Member of the ASCE STD Committee on Safety of Buildings, 1986-89
	Member of the ASCE STD Committee on Reliability of Offshore Structures, 1987-93
	Control group member of the ASCE STD Committee on Reliability of Offshore Structures, 1991-93
	Vice-Chairman of the ASCE STD Committee on Reliability of Offshore Structures, 1992-1993
	Chairman of the ASCE STD Committee on Reliability of Offshore Structures, 1993-1996
	Member of the ASCE EMD Committee on Probabilistic Methods, 1989-96.
	Member of the ASCE STD Committee on Fatigue Reliability, 1995-1998.
	Associate Editor, J. of Structural Engineering, ASCE, 1995-98.
	Member of the ASCE Committee on Petro-Chemical Energy, Energy Division, ASCE, 1991-92.
	Non-member Advisor, Task Committee on Probabilistic Approaches to Maintenance of Hydraulic Structures, ASCE, 1989-90.
	Chairman of the Education Committee, ASCE Maryland Section, 1990-92.
	Organized the seminar "The Engineer as a Manager," Education Committee, ASCE - Maryland Section, Baltimore, Maryland, May 10, 1991.
	Organized and chaired many sessions in ASCE Structures Congress, and Specialty Conferences, since 1990.

American Concrete Institute (ACI), Member, 1983-present

	Member of the ACI Committee 348 on Structural Safety, 1986-92
	Member of the ACI 348 Subcommittee A on Probability-Based Building Code, 1986-92
	Member of the ACI 348 Subcommittee C on Long Term Serviceability/Safety of Structures, 1986-92
	Member of the ACI 348 Subcommittee D on Construction, 1986-92

American Society of Naval Engineers (ASNE), Life Member, 1985-present

	Member of the Naval Engineers Journal Committee, ASNE, 1990-present
	Chair of the Naval Engineers Journal Committee, ASNE, 2000-present

American Society of Mechanical Engineers (ASME), Fellow member since 1990

	Representative of Academic Institutions on the ASME Research Task Force on Risk-Based Inspection of Industrial Facilities, 1987-present
	Member of Applied Risk Committee, ASME, 1989-present
	Member of the ASME Committee on Human Factors Engineering, Safety Engineering and Risk Analysis Division, 1990-present
	Member of the ASME Research Committee on Risk-Based Technology, 1993-96
	Member of the ASME Ad Hoc Task Group on Risk-based Technology (SG-D Section III), 1996-97
	Member of the Executive Committee of the Safety Engineering and Risk Analysis Division (SERAD), 2002-present
	Appointed to the ASME Codes and Standards Working Group on Valves (SG-D) (SC III) (N20070335) for a term from May 2002 to May 2007
	Appointed to the ASME Codes and Standards Working Group on Probabilistic Methods in Design (SG-D) (SC III) (N20070365), American Society of Mechanical Engineers, February 2003 to February 2008.

American Society of Engineering Education (ASEE), Member, 1990-present

Member of the Conference Committee, Fall meeting of the Middle Atlantic Section of ASEE, November 1991

Post-Tensioning Institute, Professional Member, Phoenix, Arizona, 1987-1990.

Society of Naval Architects and Marine Engineers (SNAME), Fellow, member since 1989

	Chairman of the Panel on Design Procedures & Philosophies for Ship Structures (HS-4), 1996-present
	Committee member, the Journal of Ship Research, SNAME, 1997-present

Institute of Electrical and Electronics Engineers, Senior Member, 1995-present

	Computer Society (IEEE-CS), 1993-95
	Reliability Society, 2001-present
	IEEE Robotic and Automation, 2001-present

North American Fuzzy Information Processing Society, Member, Binghamton, New York, 1990-present

General Chairman, the Annual Conference of the North American Fuzzy Information Processing Society, University of Maryland, College Park, September 1995

American Academy of Mechanics, Member, 1988-1999

The U. S. Naval Institute, Life Member, 1988- present

Washington Institute for Operations Research and Management Science (WINFORMS), Member, 2002-2003

Society for Risk Analysis, Member, 2002-present

World Future Society, Member, 2002-present

Navy League of the United States (NLUS), Life Member, 2002-present

Sigma Xi, the Scientific Research Society, Member, New Haven, CT, 1988-2000

Engineers-In-Training License, The State of Maryland, July 1985-88

Professional Engineer Registration, State of Maryland, License Registration Certification Number 16521, July 1988 - present

The Center for Reliability Engineering, Member, Department of Nuclear Engineering, University of Maryland, College Park, MD, faculty member, 1986-present

The International Symposium on Uncertainty Modeling and Analysis, Organizer, 1989- present

	General Chairman, The First International Symposium on Uncertainty Modeling and Analysis (ISUMA'90), University of Maryland, College Park, MD, December 1990
	Organized and chaired several sessions in ISUMA'90, College Park, MD
	General Chairman, The Second International Symposium on Uncertainty Modeling and Analysis (ISUMA'93), University of Maryland, College Park, MD, April 1993
	Organized and chaired several sessions in ISUMA'93, College Park, MD
	General Chairman, the third International Symposium on Uncertainty Modeling and Analysis (ISUMA'95), University of Maryland, College Park, September 1995
	General Chairman, the fourth International Symposium on Uncertainty Modeling and Analysis (ISUMA'03), University of Maryland, College Park, September 2003.

The International Association for Structural Safety and Reliability, Member (by invitation), USA, Japan, Austria and others, Organizer of the International Conference on Structural Safety and Reliability (ICOSSAR), 1988-present

	Member of the Scientific Committee for ICOSSAR'93, Austria
	Chairman of sessions, ICOSSAR'93, Austria
	Member of the Scientific Committee for ICOSSAR'97, Japan
	Chairman of sessions, ICOSSAR'97, Japan
	Member of the Scientific Committee for ICOSSAR'01, USA
	Chairman of sessions, ICOSSAR'01, USA

The National Competition "Odyssey of the Mind," Advisor to the Glenarden Woods Elementary School, Lanham, Maryland, 1987

Member of the International Advisory Committee for the International Workshop on Reliability of Offshore Operations, US National Institute of Standards and Technology, Gaithersburg, MD, US Mineral Management Service, Department of Interior, VA, March 1991

Senior Mentor for a Lilly Teaching Fellow, Dr. Nabil Kartam, for the 1990-91 academic year

Session Chairman, "Fuzzy Systems/Artificial Intelligence A," Canadian Conference and Exhibit on Industrial Automation, Montreal Canada, June 1-3, 1992

Member of the Technical Program Committee for the Second International Conference on Probabilistic Safety Assessment and Management (PSAM II), San Diego, CA, March 1994

Berkeley Initiative in Soft Computing (BISC), University of California, Berkeley, CA, since 1996

Member of the Special Interest Group (SIG), since 2002

Arab Scientists and Technologists Abroad (ASTS), member since 1992

	Invited to attend the First Congress of ASTA, Amman, Jordan, funded by the National Science Foundation (NSF) and the United Nations Education, Scientific and Cultural Organization (UNESCO) among others, through the University of Illinois at Urbana-Champaign, IL, 1992
	Co-chairman of the Workshop on Infrastructure, Earthquake Engineering and Standards, the Second Congress of ASTS, Amman, Jordan, funded by NSF and UNESCO among others, through the University of Illinois at Urbana-Champaign, IL, 1994
	Invited panelist on Inter-university Cooperation, the First TSS/ASTA International Conference on Technology Parks and Transfer of Knowledge, ASTS, Tunis, funded by UNESCO, through the University of Illinois at Urbana-Champaign, IL, 1996

Advisor to the Gulf Coast Region Maritime Technology Center for Selecting Projects for Funding, University of New Orleans, 1998

Advisor to the Gulf Coast Region Maritime Technology Center for Selecting Projects for Funding, University of New Orleans, 2000

Reliability, availability and Maintainability (RAM) Expert Working Group, Gulf Coast Region Maritime Technology Center, University of New Orleans, 1996-2000

Member of the Scientific Committee, the First International Symposium on Digital Earth Moving, September 2001

Member of the International Program Committee, the 9th International Conference on Fuzzy Theory and Technology that will be held in Cary, North Carolina, USA, September 26 till September 30, 2003

Reviewer of Research Report on the Feasibility of Using Fiber Reinforced Plastics (FRP) reinforcement in concrete construction in Kuwait, the Kuwait Foundation for the Advancement of Sciences, 2003

Appointed to the ASME Risk Assessment Group of the Critical Assets Protection Initiative Steering Committee, 2002

American Association of University Professors, member 2002-present

University of Maryland Statistics Consortium, member 2003-present

Invited member of the Council of Transportation Advisors of the Gerson Lehrman Group, NY, 2004-present

Invited peer reviewer, Reports of Risk Studies, Homeland Security Institute, Department of Homeland Security, Washington DC, 2005-present