| 2020 | Brianna Lawton | | Archana Venkatachalapathy | | | Wasama Abdullah | |
| 2019 | Brianna Lawton | Archana Venkatachalapathy | Muthumari Anbumani | Archana Venkatachalapathy | Bryce Hallmark | Smrithi Ajit | Bryce Hallmark |
| 2018 | Hitesh Chawla | Brianna Lawton | Archana Venkatachalapathy | Brianna Lawton | Chao Zhou | Bryce Hallmark | Chao Zhou |
| 2017 | Ahmed AlBugdadi | Trevor Kirsch | Bahareh Bazargani | Trevor Kirsch | Qilin (Cami) Liu | Georges Bou-Saab | Georges Bou-Saab |
| 2016 | Ellen Nightingale | Bijan Vafeie | Niloo Parvin | Anjana Avr | Steven Younkin | Amir Hosseini | Cami Liu |
| 2015 | Georges Bou-Saab | Amrita Goswamy | Raha Hamzeie | Navid Shafierad | Steven Younkin | Empty | Ellen Nightingale |
| 2014 | Bo Wang | Steven Younkin & Jordan Turner | Andrew Houchin | Fugang Sheng | Amrita Goswamy | Emmanuel Nketah | Micah Makaiwi |
| 2013 | Georges Bou-Saab & Christa Vant-Hull | Yundi Huang & V. Dimitra Pyrialakou | Jordan Turner & Bo Wang | Steven Younkin & Michael Mahon | Amrita Goswamy | Nicole Oneyear | Mohammed Saad Shaheed |
| 2012 | Christa Van't Hul & Katie Maurer | V. Dimitra Pyrialakou & Christa Van't Hul | Bo Wang & Skylar Knickerbocker | Nick Hinnerichs | Nicole Oneyear | Donny Cerwick & Mike Morisette | Mohammed Shaheed |
| 2011 | Nicole Oneyear & Steve Lavrenz | Eirini Kastrouni | Bo Wang | Katie Maurer | Christa Van't Hul | Mike Stinn | Mohammed Shaheed |
| 2010 | Teng "Alex" Wang | Steve Lavrenz | Huishan Duan | Josh Singsank & Mitchell Holtzman | Christa Van't Hul | Nicole Oneyear & Bo Wang | Evan Vencil & Eirini Kastrouni |
| 2009 | Nicole Oneyear | Evan Vencil | Steve Lavrenz | Josh Singsank | Huishan Duan | Dan Cook & Teng Wang | Bo Wang |
| 2008 | Michael Baird | Charlotte Richter | Chris Pross | Bradley J. Grefe | Dan Cook | Mehmet Caputcu | Steve Lavrenz |
| 2007 | Cari Kinzenbaw | Beth Sorensen | Christian Sax | Josh Hinds | Jason Walker | Craig Mizera | Basak Aldemir-Bektas |
| 2006 | David Andersen | Greg Karssen | Unclear | Unclear | Unclear | Unclear | Unclear |
| 2005 | Eric Petersen | Dan Ormand | Greg Karssen | David Andersen | Mary Dobling | Scott Port | Alek Pochowski |
| 2004 | Manish Agarwal | Todd Knox | Ryan Tenges | Neil Burke | -- | -- | -- |
| 2003 | Unclear | Unclear | Unclear | Unclear | Unclear | Unclear | Unclear |
| 2002 | David Veneziano | Kevin Triggs | Jamie Luedtke | Debbie Witt | -- | Gary Conway & Molly O'Brien | Sarag Allen & Scott Port |
| 2001 | Dan Smith & Brett Lewis | Brett Lewis & David Veneziano | David Veneziano & Kevin Triggs | Kevin Triggs & Jamie Luedtke | -- | Jamie Luedtke & Deborah Witt | John Dostart |
| 2000 | Jerry Roche | Nick Lownes & Dan Smith | Dan Smith & Andy Swisher | Rajasekhar Vasavaraju | -- | Aravind Gottemukkula | Courtney Schloz & Brett Lewis |
| 1999 | Karen Giese & Jerry Shadewald | Kyle Evans & Jerry Roche | Jason Stribiak | Molly Long & Richard Storm | -- | Eric Padget | Jerry Roche & Dan Nowak |
