Senior Consultant and Advisor, Marine Spatial Planning Program, Iintergovernmental Oceanographic Commission (IOC), United Nations Educational, Scientific, and Cultural Organisation (UNESCO), Paris, France, 2005-2018
International Expert, Marine Spatial Planning, Gordon and Betty Moore Foundation, Palo Alto, California, USA, 2005-2018
Peer Reviewer: Marine Policy Journal, Nature, Nature Sustainability, Journal of Ocean and Coastal Managementsp; Marine Pollution Bulletin, Planning Theory and Practice, Environmental Science and Policy, Frontiers in Ecology and the Environment, and PLOS ONE.
Outstanding Peer Reviewer Status, Marine Policy and Ocean and Coastal Management journals (top 10th percentile of peer reviewers), Elsevier, 2017-2021
Advisor/Contributor to Marine Spatial Planning section, Atlas of Ocean Wealth (Mark Spalding, Robert Brumbaugh, & Emily Landis), The Nature Conservancy, 2016
International Expert (Marine Spatial Planning), Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH and g overnments of South Africa and Namibia, 2015-2019
Editorial Board, Marine Policy Journal, 2015-2021
Advisor (Marine Spatial Planning), The Economist Intelligence Unit, Coastal Governance Index, 2015
Member, Independent Review Panel, Sea Change-Tai Timu Tai Pari (Hauraki Gulf) Auckland Council, Auckland, New Zealand, 2014-2016
International Expert (Marine Spatial Planning), Plan Maritime 2030, Urban Planning Council and CH2M, Abu Dhabi, United Arab Emirates, 2014-2015
Member, International Advisory Board, Pilot Marine Spatial Plan for Israel, Technion Institute of Technology, Haifa, Israel, 2014-2015
Contributor and Blogger (Marine Spatial Planning), OpenChannels website, Forum for Ocean Planning and Managment. 2013-date. http://openchannels.org/about/team
Member, Science Advisory Committee, MaPP (Marine Planning Partnership for the Pacific North Coast), Province of British Columbia and Coastal First Nations, Vancouver, British Columbia, Canada, 2012-2015
Member, Advisory Group, PICSES Project (an international project bringing stakeholders together in the Celtic Sea to manage human activities sustainably), WWF-UK, Cardiff, Wales, 2011-12
Member, Advisory Group, MASPNOSE Project, Wageningen University, Netherlands (Lead Partner), asssessment of DG Mare's 10 principles for MSP,
2010-2011
Member, Council of Advisors, Collaborative Institute for Oceans, Climate, and Security, University of Massachusetts (Boston), USA, 2010-12
Member, Science Advisory Group, Fundación MarViva (an environmental NGO focused on MPAs and MSP in the Eastern Tropical Pacific), San Jose, Costa Rica, 2010-date
Advisor (Marine Spatial Planning), White House Council on Environmental Quality and National Oceanic and Atmospheric Administration (NOAA), Washington, DC, USA, 2008-2010
Vice-Chair (Marine), World Commission on Protected Areas (WCPA), World Conservation Union (IUCN), Gland, Switzerland, 2000-2005
Associate Editor, Ocean and Coastal Management Journal, Elsevier Applied Science, 2003-2008
Member, Ocean Zoning Working Group, National Center for Ecological Analysis and Synthesis NCEAS), University of California, Santa Barbara, 2005-2007
Member Steering Committee, International Marine Protected Area Congress (IMPAC) , Melbourne, Australia, 2004-2005
Chair, Coastal Indicators Working Group, UNESCO, Intergovernmental Oceanographic Commission, Paris, France, 2002-2005
Member, Steering UnCommittee, Global Forum on Oceans, Coasts, and Islands, University of Delaware, 2003-2016
Executive Member, Religious and Scientific Advisory Committee, Religion, Science, and the Environment Symposia Series (under the sponsorship of the Ecumenical Patriarchate Bartholomew I of the Orthodox Church), Istanbul, London, and Athens, 1994-2007