Texas Board of Professional Engineers and land surveyors
Member, Joint Advisory Committee on the Practice of Engineering and Architecture, 2004/2011
Member, Structural Engineering Task Force, 2009/2011
Structural Engineering Certification Board
Director, National, Board of Directors, 2010/2016
Secretary, National, Board of Directors, 2011/2016
Member, National, Structural Engineering Licensure Coalition, 2015/2016
American Society of Civil Engineers
Member, National, Executive Committee, 2007/2008
Director, National, Board of Direction, 2005/2008
Chair, National, Technical Region Board of Governors, 2005/2008
Vice-Chair, National, Task Committee on Vision 2025, 2007/2009
Member, National, Task Committee on Restructuring, 2011/2012
Liaison, National, Strategic Planning Committee, 2007/2008
Member, National, Strategic Planning Committee, 2010/2012
Member, National, Program Committee, 2005/2007
Chair, National, BSC Task Committee, 2004/2005
Chair, National, AE Division Executive Committee, 1996/1997
Secretary, National, AE Division Executive Committee, 1993/1995
Co-Chair, National, TCCRE/DCOC Committee, 1983/1984
Chair, Texas Section, Structural Committee, 1991/1992
Member, National, Texas Section, and Dallas Branch, 1972/2011
Life Member, National, Texas Section, and Dallas Branch, 2012/2024
Building Security Council
Founder & President, National, Board of Directors, 2005/2007
Architectural Engineering Institute
Founder, National, 1998
Secretary, National, Board of Governors, 2002/2005
Member, National, 1998/2024
Structural Engineering Institute
Member, National, Board of Governors, 2010/2014
Chair, National, SEI Futures Fund Board of Directors, 2013/2015
Member, National, Structural Engineering Licensure Coalition, 2012/2014
Member, National, Task Committee on the Future Qualifications of SEs, 2011/2013
Member, Structures Congress 2018 Local Planning Committee, 2016/2018
Member, CROSS-US Expert Panel, 2019/2024
Member, National, 1996/2024
Geo Institute
Member, National, 1996/2009
National Council of Structural Engineers Associations
Chair, National, Advocacy Committee, 2000/2005
Structural Engineers Association of Texas
Member, State, Board of Directors, 1993/1994
President, Dallas Chapter, 1993
Officer, Dallas Chapter, 1991/1993
Chair, State, PALL Committee, 1995/2005
Member, State, Dallas Chapter, 1987/2024
American Council of Engineering Companies - Texas
President, North Texas Chapter, 1987
Officer, North Texas Chapter, 1985/1987
The Order of the Engineer
Member, 2005/2019
Dallas Area Rapid Transit
Founder & President, PSLC Executive Committee, 1987
University of Wisconsin at Madison
Member, CEE Department Visiting Committee, 1998/2004
University of Texas at Tyler
Member, CE Department External Advisory Board, 2008/2011
American Concrete Institute
Professional Member, 1985/2013
American Institute of Steel Construction
Professional Member, 2002/2013
International Code Council
Professional Member, 2000/2013