Member of Professional Societies
- Academia Europaea (The Academy of Europe, London), Foreign Member, Section on Physics & Engineering Sciences, Elected in 2015
- American Society of Civil Engineers, ASCE (Distinguished Member 2010- ); Fellow 1993-2010; Member 1983-93; Member of the Society Awards Committee (2013-14); Life Member (2013- ); Member of the Technical Region Board of Governors (2014-15); Member (by invitation) of the ASCE Industry Leaders Council (ILC) - ILC Performance Based Standard/LCCA Working Group (2016-18); ILC Resilience Working Group (2019-2022); Risk and Resilience Task Group (2022- )
- Structural Engineering Institute, ASCE-SEI Chair (1999-2000) and Vice-Chair (1998-99) of Executive Committee, Technical Activities Division (TAD), Structural Engineering Institute; Inaugural Fellow (2012- ); Chair of Three Technical Committees: Safety of Buildings (1990-94), Safety of Bridges (1995-97), and Optimal Structural Design (1994-98); Chair (2004) of Awards Committee, Technical Activities Division; Chair of the Technical Administrative Committee on Structural Safety and Reliability (2006-08); Founder and Chair (2008-16), Past-Chair (2017- ) of the ASCE-SEI Technical Council on Life-Cycle Performance, Safety, Reliability and Risk of Structural Systems - Approved by ASCE-SEI on November 7, 2008, TG1, TG2, and TG3; Member of Structural Identification of Constructed Systems Committee (2010-16),
- Engineering Mechanics Institute, Vice-President of EMI (2014-15); ASCE-EMI Inaugural Fellow (2013- ); Member of the Board of Governors (2013-15), Member (2010- ); Member of EMI Award Recommendation Committee for Several Awards (2020-23); Probabilistic Methods Committee, Control Group Member (2006-07), Member (2004- )
- American Concrete Institute, ACI (Member 1983- ; Fellow 1997- ); ACI Committee 348 on Structural Reliability and Safety, Member (1983- ); ACI-ASCE Committee 343 on Concrete Bridge Design, Member (1994- )
- American Institute of Steel Construction, AISC (Member 2012- )
- Canadian Academy of Engineering, International Fellow, Elected in 2022
- Consortium of Universities for Research in Earthquake Engineering, CUREE (2003-05; 2010-16)
- Council on Tall Buildings and Urban Habitat, CTBUH (2007- )
- Earthquake Engineering Research Institute, EERI (1987- )
- Engineering Academy of Japan, Foreign Associate, Elected in 2020
- Foundation of the Polytechnic University of Timisoara, Romania, Honorary Member (2014- )
- Fritz Engineering Research Society , FERS (2008- )
- Institute for Cyber-Physical Infrastructure and Energy (I-CPIE), Lehigh University (2018- )
- Institute for Data, Intelligent Systems, and Computation (I-DISC), Lehigh University (2018- )
- International Association for Bridge Maintenance and Safety, IABMAS, President (1999- ); Chair of Executive Committee (1999- ); Honorary President of IABMAS-Italy Group (2013- ), IABMAS-Brazil Group (2013- ), IABMAS-Chile Group (2018- ), IABMAS-Korea Group (2018- ), IABMAS-Turkey Group (2018- ), IABMAS-Sri Lanka Group (2019- ), IABMAS-USA Group (2020- ), and IABMAS-Sweden Group (2023- ); Honorary Member of IABMAS-Portugal Group (2006- ), IABMAS-China Group (2012- ), IABMAS-Australia Group (2014- ), IABMAS-Japan Group (2015- ), IAMBAS-Spain Group (2021- ), IABMAS-Denmark Group (2023- ); Member of the Committees on Bridge Load Testing (2021- ), Bridge Health Monitoring (2022- ), and Bridge Management (2022- )
- International Association for Bridge and Structural Engineering, IABSE (Member 1990- ; Fellow 2006- ); Elected Chair of IABSE Working Commission 1 on Structural Performance, Safety and Analysis (2005-09); Elected Member of IABSE Technical Committee (2005-09); TG 5.4 Structure Management Systems (SMS): Survey on Implemented Decision-making Models (2019- )
- International Association for Life-Cycle Civil Engineering, IALCCE, President and Chair of Executive Board (2006- ); Honorary President of IALCCE-Dutch Group (2020- )
- International Association for Structural Safety and Reliability, IASSAR, Vice-President of IASSAR (2013-17, PDF); Chair of IASSAR Executive Board (2006-13, PDF); Chair of IASSAR Awards Committee (2017, PDF1, PDF2); Vice-Chair of IASSAR Technical Committee 3 on System Reliability and Optimization (2001-10); Founding Chair of IASSAR Technical Committee 4 on Life-Cycle Performance, Cost and Optimization (2012- )
- International Joint Research Center for Engineering Reliability and Stochastic Mechanics, CERSM, Member (2017- )
- International Joint Research Center for Resilient Infrastructure, ICRI, Member of the Advisory Board (2021- )
- International Federation for Structural Concrete, fib; Member of Commission 2, TG2.8 on Safety and Performance Concepts (2006- ); Member of Commission 8, TG8.4 on Life-Cycle Cost (LCC) - Design and/or Replacement Cycle (2018- )
- International Society for Health Monitoring of Intelligent Infrastructure, ISHMII, Founding Vice-President (2004-12), Fellow (2009- ), Council Member (2009- )
- International Society for Information Processing, IFIP, WG 7.5 on Reliability and Optimization of Structural Systems, Member (1987- ); Chair (2003-07); Honorary Member (2006- )
- International Society for Structural and Multidisciplinary Optimization, ISSMO
- Japan Society for the Promotion of Science, JSPS
- Joint Committee on Structural Safety, JCSS; Board Member and Representative of IABSE on the JCSS Board (2001-09); Member of Working Party 1 on Structural Reliability (2001- )
- Mexican Academy of Engineering, Corresponding Member, Elected in 2023; Civil Engineering Commission (PDF): Watch induction ceremony
- National Academy of Construction of the United States, Member (PDF), Elected in 2020
- Romanian Academy, Honorary Member, Section on Engineering Sciences, Elected in 2017, Members, Biosketch (in Romanian)
- Romanian Academy of Technical Sciences, Honorary Member, Elected in 2000
- Romanian Association of Structural Design Engineers (AICPS), Honorary Member, elected June 2024
- Royal Academy of Belgium for Science and the Arts, Foreign Member (PDF), Section on Technical Sciences, Elected in 2016
- Society for Experimental Mechanics (2016-21)
- Structural Design Engineers Association, AICPS (2024- )
- Transportation Research Board, TRB; Chair (1999-2007) of TRB AFF20(1) Methods of Analyzing Steel Bridges; AFF20 Steel Bridges, Member (1990-08); AFF30 Concrete Bridges, Member (1999-07), AKB40 Standing Committee on Testing and Evaluation of Transportation Structures, Member (1989-98, 2001-09, 2015-25)
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University of Nottingham, Associate Member of the Resilience Engineering Research Group, Nottingham, England (2021- )
