| 2015 | | Heather Battaly (Cal State Fullerton) |
| 2013 | | Patrick Rysiew (University of Victoria) |
| 2012 | | Amy Kind (Claremont McKenna College) |
| 2011 | | Joseph Campbell (Washington State University) |
| 2010 | | Rebecca Copenhaver (Lewis & Clark College) |
| 2009 | | Paul Hurley (Claremont McKenna College) |
| 2008 | | Mark Wrathall (University of California – Riverside) |
| 2007 | | Fred Schueler (Arizona State University) |
| 2006 | | Sara Goering (University of Washington) |
| 2005 | | Dominic McIver Lopes (University of British Columbia) |
| 2004 | | Leslie Francis (University of Utah) |
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