Marine Technology Society (Vice Chairman, Hawaii Section; Chairman, Mineral Resources Professional Committee; Society Fellow; Executive Co-Chairman, Oceans 2001 International Conference)
Outer Continental Shelf Policy Advisory Committee (National Advisory Committee to U.S. Secretary of the Interior), Member 1984-2004, 2007-present
Pacific Congress on Marine Science and Technology and PACON International -1984-present, Founding member, Vice President and Chair of Marine Minerals, Chairman of the PACON ‘99 conference in Moscow.
State of Hawaii Marine Mining Program Environmental Monograph Series, Editor
International Marine Minerals Society (IMMS) - Member of the Executive Board and Treasurer
Society for Mining, Metallurgy and Exploration (SME) – Member, Special Committee for Offshore Technology and Organizational Input to the Offshore Technology Conference, 2005 – present
NOAA’s Undersea Research Program (NURP) – Member, Council of Directors since 2001