Ocean Research Advisory Panel (ORAP)
Member, 2005-2008

American Society of Civil Engineers
Waterways, Port, Harbor and Coastal Division, Research Committee Member, 1989-1993
Committee on Renewable Energy Member, 1985-1991
Task Committee on a National Coastal Facility Member, 1990-91.

American Society of Mechanical Engineers
Ocean Engineering Division Chairman, 1997-98.
Commission on Engineering, Energy Committee Member, 1998-1999.

Marine Technology Society
Publications Board Member, 1995-1997.

American Shore & Beach Preservation Association

American Society for Testing Materials
Subcommittee on standards for reinforced plastic pipe Member, 1968-69.

California Sea Grant College
Advisory Committee Member, 1986-1999

University of Southern California, Institute for Marine and Coastal Studies
Advisory Board Member, 1976-1991.

Marine Board, National Research Council
Member, 1984-90.
Chairman, 1994-96
Executive Committee Member, 1986-89
Vice Chairman, 1988-89
Committee on Information for Port and Harbor Operations Chairman, 1984-85
Committee on Beach Nourishment and Protection Chairman, 1992-1994
Wave Measurement Technologies Steering Committee Member, 1980-82
Panel on Assessment of Ocean Thermal Energy Conversion (OTEC) Ocean Engineering Member, 1981.
Liaison, Committee on Use of Composite Materials in Marine Structures, 1989-1991
Committee on Coastal Engineering Research and Education Member, 1989-1991.

San Diego Association of Governments (SANDAG)
Shoreline Erosion Task Force Member, 1980-82.

Foundation for Ocean Research
Trustee, 1980-1990.

Ocean Engineering Journal
Associate Editor, 1984-present.

Estuarine, Coastal and Shelf Science
Editorial Board Member, 1988-1998.

Shore & Beach
Special Edition Editor, v.57, no.4, October 1989.

Harbor Branch Oceanographic Institution, Inc., Ocean Engineering Division
External review committee Member, 1991.

World Technology Evaluation Center
Panel on Submersible Technologies Chairman, 1992-94.