I have organized at least eleven technical and chaired close to three dozen sessions at conferences as part of activities with ASCE and AIAA. I am the founder of the committee on metals and composite Materials of the Aerospace Div., ASCE. I am on the editorial board of the Aerospace Journal, ASCE, and the Journal of Composite Structures. I have been heavily involved in technical and budgetary considerations for ASCE and AIAA. Assoc. Editor AIAA Journal (1989-1991, 1999-2011). Member of the Structures TC and formerly member of the Structural Dynamic TC.