The ECI members are composed of renowned ecologists, several of whom are ECI Prize laureates (by tradition, ECI Prize laureates are invited to join the staff). Years in parentheses signify when appointed.
Founder: Professor Otto Kinne
Honorary Director: Professor Stephen J Hawkins, Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton, Southampton SO17 1BJ, United Kingdom
Prof. Farooq Azam, La Jolla, CA, USA (1985)
Prof. Philip Boyd, Hobart, TAS, Australia (2019)
Prof. Just Cebrian, San Francisco, CA, USA (2009)
Prof. Sallie W. Chisholm, Cambridge, MA, USA (1993)
Prof. Paul Falkowski, New Brunswick, NJ, USA (2010)
Prof. Tom Fenchel, Ebeltoft, Denmark (1985)
Dr. Nicolas S. Fisher, Stony Brook, NY, USA (1985)
Prof. Stephen J. Hawkins, Plymouth and Southampton, UK (1995)
Prof. Bo Barker Jørgensen, Århus, Denmark (2004)
Prof. David M. Karl, Honolulu, HI, USA (2006)
Prof. Louis Legendre, Villefranche-sur-Mer, France (2002)
Prof. J. Lubchenco, Corvallis, OR, USA (2019)
Prof. Christine Maggs, Bournemouth, UK (2016)
Prof. Ernest Naylor, Menai Bridge, UK (1984)
Prof. Daniel Pauly, Vancouver, BC, Canada (2007)
Dr. Fereidoun Rassoulzadegan, Villefranche-sur-Mer, France (1997)
Prof. Victor Smetacek, Bremerhaven, Germany (1993)
Prof. Nils Chr. Stenseth, Oslo, Norway (2024)
Prof. Antony Underwood, Sydney, Australia (2005)
Prof. Bess B. Ward, Princeton, NJ, USA (2006)
Dr. Markus Weinbauer, Villefranche-sur-Mer, France (2004)
Prof. F. Stuart Chapin III, Fairbanks, AK, USA (1986)
Dr. Paul Ehrlich, Stanford, CA, USA (1994)
Prof. Madhav Gadgil, Bangalore, India (1985)
Prof. Kevin Gaston, Penryn, Cornwall, UK (2019)
Prof. Andrew Hector, Oxford, UK (2006)
Prof. Robert D. Holt, Gainesville, FL, USA (2005)
Prof. Christian Körner, Basel, Switzerland (2006)
Prof. John Lawton, Heslington, UK (1997)
Prof. Michel Loreau, Moulis, France (2003)
Prof. Anders Pape Møller, Paris, France (1995)
Prof. Harold A. Mooney, Stanford, CA, USA (1991)
Prof. Christer Nilsson, Umea, Sweden (2006)
Prof. Bernt-Erik Saether, Trondheim, Norway (2000)
Prof. David Schimel, Boulder, CO, USA (1998)
Dr. Moshe Shachak, Sede Boker, Israel (1989)
Prof. William H. Schlesinger, Millbrook, NY, USA (2016)
Prof. Monica G. Turner, Madison, WI, USA (2005)
Dr. Diana H. Wall, Fort Collins, CO, USA (2005)
Dr. Elise F. Zipkin, East Lansing, MI, USA (2024)
Prof. Nikolay V. Aladin, St. Petersburg, Russia (1994)
Prof. Stephen R. Carpenter, Madison, WI, USA (2000)
Prof. John A. Downing, Duluth, MN, USA (2015)
Prof. David Dudgeon, Hong Kong SAR, China (2015)
Prof. Jose I. Furtado, London, UK (1985)
Prof. Z. Maciej Gliwicz, Warsaw, Poland (1998)
Dr. John E. Hobbie, Woods Hole, MA, USA (1986)
Prof. Alan Hildrew, London, UK (2012)
Prof. Ewa Kamler, Warsaw, Poland (1993)
Prof. P. Sam Lake, Melbourne, Australia (2015)
Prof. Gene E. Likens, Millbrook, NY, USA (1989)
Dr. David M. Livingstone, Duebendorf, Switzerland (2009)
Prof. T. J. Pandian, Madurai, India (1985)
Prof. Mary Power, Berkeley, CA, USA (2006)
Dr. Telesphore Sime-Ngando, Aubière, France (2009)
Prof. John P. Smol, Kingston, Ontario, Canada (2015)
Prof. Ruben Sommaruga, Innsbruck, Austria (2008)
Prof. Robert Sterner, St. Paul, MN, USA (2005)
Prof. Klement Tockner, Frankfurt, Germany (2015)
Prof. Lars Tranvik, Uppsala, Sweden (2005)
Prof. Jose Galizia Tundisi, São Paulo, Brazil (1990)
Prof. Masumi Yamamuro, Tokyo, Japan (2009)