- 2018 Brianna Pagán, Ghent University
- 2018 Caio Reis Costa Mattos, Rutgers University, New Brunswick
- 2018 Frederick Cheng, University of Waterloo
- 2017 Michael O’Connor, The University of Texas at Austin
- 2017 James Knighton, Cornell University
- 2016 Noah Jemison, University of Illinois at Urbana-Champaign
- 2016 Hadley McIntosh, Chesapeake Biological Laboratory, University of Maryland Center for Environmental Science
- 2016 Katalyn Voss, University of California, Santa Barbara
- 2015 Laura Stevens, Massachusetts Institute of Technology
- 2015 Emily Voytek, Colorado School of Mines
- 2015 Adam Wlostowski, University of Colorado & The Institute of Arctic and Alpine Research
- 2014 Katherine Lininger, Colorado State University
- 2014 Chris Gabrielli, University of Saskatchewan, Canada
- 2014 Kevin Befus, University of Texas at Austin
- 2013 Flavia Tauro, Polytechnic Institute of New York University, Sapienza University of Rome
- 2013 Fabian Nippgen, Montana State University, Duke University
- 2013 Scott Jasechko, University of New Mexico
- 2012 Jesus Gomez, New Mexico Institute of Mining and Technology
- 2012 Claire Lukens, University of Wyoming
- 2012 Yoshihide Wada, Utrecht University, The Netherlands
- 2011 Vamsi Ganti
- 2011 Nicholas Kinar
- 2010 Ciaran Harmon, University of Illinois
- 2010 Maya Bhattia, Woods Hole Oceanographic Institution
- 2009 Audrey Sawyer, University of Texas at Austin
- 2009 V. Cody Hale, Oregon State University
- 2008 Cédric David, University of Texas, Austin
- 2008 Beth Weinman, Vanderbilt University
- 2007 Holly R. Barnard, Oregon State University
- 2007 Christian Braudrick, University of California, Berkeley
- 2007 Diego A. Riveros-Iregui, Montana State University
- 2006 Xingyuan Chen, University of California, Berkeley
- 2006 Carl J. Legleiter, University of California, Santa Barbara
- 2005 Meinhard Bayani R. Cardenas, New Mexico Tech
- 2005 Joseph M. Wheaton, University of Southampton, UK
- 2004 Stephen Sebestyen, State University of New York College of Environmental Science & Forestry
- 2003 Elowyn Yager, University of California at Berkeley
- 2003 Shakeel Hasan, Wageningen University, The Netherlands
- 2003 Reuben Heine, Southern Illinois University
- 2002 David Francis Boutt, New Mexico Tech
- 2002 Ruben Ijpelaar, Wageningen University, The Netherlands
- 2002 Brett L. Valle, University of California-Davis
- 2001 Brian McGlynn, Oregon State University, SUNY College of Environmental Science and Forestry at Syracuse
- 2001 Mira Stone Olson, University of Virginia
- 2001 Thomas Pagano, University of Arizona
- 2000 Weston Ridgway Dripps, University of Wisconsin at Madison
- 2000 Martin Doyle, Purdue University
- 1999 S. Jean Birks, University of Waterloo, Ontario, Canada
- 1999 Tracey C. Flowers, University of Kentucky
- 1999 Daniel Malmon, University of California, Santa Barbara
- 1998 Chris G. Campbell, University of California-Berkeley
- 1998 Peter Erik Dijk, Weizmann Institute of Science, Israel
- 1998 John M. Sigda, New Mexico Institute of Mining & Technology
- 1997 Martin F. Helmke, Iowa State University
- 1997 Walter A. Illman, University of Arizona
- 1996 Curt Reynolds, University of Arizona
- 1996 Eric E. Small, University of California
- 1995 Julie K. Sueker, University of Colorado
- 1995 Alan D. Ziegler, University of Hawaii
- 1994 Julia Boike, Alfred-Wegener Institute for Polar and Marine Research
- 1994 David Lapen, Queen’s University
- 1993 Christine Brick, University of Montana
- 1993 Robert Harrington, University of Arizona
- 1992 Susan Colarullo, New Mexico Institute of Mining and Technology
- 1992 Dan Walker, University of British Columbia
- 1991 Timothy R. Green, Stanford University
- 1991 Jeffrey Raffensperger, Johns Hopkins University
- 1990 Barbara Gruver, Indiana University
- 1990 Deborah Loewenherz, University of California, Berkeley
- 1989 James W. Kirchner, University of California, Berkeley
- 1989 Jene D. Hendrickson, University of Arizona
- 1988 Thomas C. Harmon, Stanford University
- 1987 Jeffrey John McDonnell, University of Canterbury, NZ
- 1986 David C. Goodrich, University of Arizona
- 1985 Laura Toran, University of Wisconsin
- 1984 Javier Samper, University of Arizona
- 1983 Jane L. Stockman, Stanford University