2002: Richard Cool, Sarah Stokes, Magdalena Eftimova (De Paul), Charles Miller (Princeton High)
2003: Richard Cool, Kim Dupczak, Mark Reiser, Anna Haugsjaa (Montana)
2004: Christine Lamanna, Travis Laurance, Kim Dupczak, Keisuke Fukutani, Rebecca Harbison (Nebraska), Charles Miller (Princeton High)
2005: Christine Lamanna, Becky Barlow, Travis Laurance, Carolynn Moore, Brent Buckalew, Heather Hanson, Chad Sharpe (Kelly Walsh High), Erick Smith (Tennessee)
2006: Carolynn Moore, Becky Barlow, ShiAnne Kattner, Jake Thatcher, Heather Hanson, Marcus Herman, Lisa Carpenter (Michigan), Michelle Long (Casper Science Zone)
2007: Carolynn Moore, Becky Barlow, ShiAnne Kattner, Seth Cohen, Cliff Johnson, Micah Schuster, Anna Fahlsing, Jake Thatcher, Everett Schlawin (Oberlin)
2008: Carolynn Moore, Seth Cohen, Cliff Johnson, Micah Schuster, Dave Cook, Shawn Staudaher, Jake Thatcher, Everett Schlawin (Oberlin), Kimberly Aller (Berkeley)
2009: Carolynn Moore, Dave Cook, Shawn Staudaher, Jyoti Pandey, Sujan Khanal
2010: Carolynn Moore, Dave Cook, Shawn Staudaher, Jyoti Pandey
2011: Dave Cook, Shawn Staudaher, Jyoti Pandey, Amy Miller
2012: Dave Cook, Shawn Staudaher, Jyoti Pandey, Amy Miller, Brandon Lopez, Michelle Mason (Berkeley), Nicholas Erickson (College of New Jersey), Caroline Roberts (Sewanee), Mara Johnson-Groh (Gustavus), David Starcevich (Northwest)
2013: Dave Cook, Shawn Staudaher, Jamie Burke (Swarthmore), James Chapman (MCLA), Erica Keller (Mt. Holyoke), Katie Lester (Lehigh), Emily Rolen (Vanderbilt), Eric Topel (St. Olaf)
2014: Dave Cook, Shawn Staudaher, Alan Hatlestad, Jareth Roberts, Gillian Beltz-Mohrmann (Wellesley), Arika Egan (NMU), Laura Herzog (MS-Moorhead), Andrew Leung (Rutgers), Jacob McLane (NAU), Christopher Phenicie (Minnesota)
2015: Dave Cook, Shawn Staudaher, Jordan Turner, Ryan Parziale, Stephan Munari, Rebecca Sorber (FRCC), Zulu Andrews (Cal Poly Pomona), Grace Olivier (Case Western), Heather Wernke (Embry Riddle)
2016: Shawn Staudaher, Jordan Turner, Ryan Parziale