Current Roles
- Trustee, Vermont Public Interest Research and Education Fund, 2020 – current.
- Member, Steering Committee, Champlain-Adirondack Biosphere Network, United Nations Man and the Biosphere Programme, 2018 – current.
- Member, Vermont Commission on International Trade and State Sovereignty, 2015 – current.
- Vice President and Founding Board Member, Bright Blue EcoMedia, 2010 – current.
- Editorial Board, Environmental Policy and Governance, 2008 – current.
- Founding Member and Past President, U.S. Society for Ecological Economics, 2000 – current.
- Founding Member and Past President, Adirondack Research Consortium, 1994 – current.
Former Roles
- Co-Director, Leadership for the Ecozoic, 2018 – 2020.
- Co-Director, Economics for the Anthropocene 2014 – 2021.
- Member, Vermont Governor’s Council on Energy and the Environment, 2012 – 2016.
- Member, Vermont Climate Change Economy Council, 2015 – 2016.
- Trustee, Conservation and Research Foundation, 2004 – 2015.
- Member, Senator Sanders’ Environment Advisory Council, 2012 – 2014.
- Editorial Board, Reviews in Ecological Economics (formerly Ecological Economics Reviews, New York Academy of Sciences), 2009 – 2019.
- President, U.S. Society for Ecological Economics, 2010 – 2012 (President-Elect board member, 2009 – 2010; Past-President board member, 2012 – 2014).
- Member, Technical Advisory Committee, Lake Champlain Basin Program, 2007 – 2012.
- Executive Editor, Adirondack Journal of Environmental Studies, 2007 – 2012.
- Board Member, Adirondack Research Consortium, 2006 – 2012.
- Editorial Board, International Journal of Environmental Technology and Management, 2000 – 2012.
- Founder and Director, Fútbol para la Vida, HIV/AIDS Prevention Education in the Dominican Republic, 2006 – 2011 (now Deportes para la Vida run by the Dominican DREAM Project).
- Member, Scientific Advisory Team, CUNY Environmental Cross-Roads Initiative, National Science Foundation – Consortium of Universities for the Advancement of Hydrologic Science (NSF-CUAHSI) Synthesis Center, 2009 – 2010.
- Treasurer, International Society for Ecological Economics, 2004 – 2006.
- Board Member, International Society for Ecological Economics, 2004 – 2006.
- Advisory Board Member, Adirondack Research Consortium, 2002 – 2006.
- Board Member, U.S. Society for Ecological Economics, 2003 – 2005.
- Commissioner, Burlington Electric Commission, Burlington, VT, 2004.
- Topic Editor, “Economics Interactions with Other Disciplines: Natural Resource Economics,” Encyclopedia of Life Support Systems (EOLSS), UNESCO, EOLSS Publishers, Oxford, UK, 2002.
- President, Adirondack Research Consortium, 2000 – 2002.
- Advisory Board Member, Saratoga Open Space Project, Saratoga Springs, NY, 1998 – 2001.
- Vice-President and Vice-President Elect, Adirondack Research Consortium, 1997 – 2000.