- 2023: Northwestern
- 2022: University of Wisconsin-Madison
- 2021: Michigan State University
- 2020: Postponed due to COVID
- 2019: The University of Toledo
- 2018: University of Iowa
- 2017: University of Notre Dame
- 2016: University of Illinois Urbana-Champaign
- 2015: Indiana University Bloomington
- 2014: University of Illinois Chicago
- 2013: The Ohio State University
- 2012: Medical College of Wisconsin
- 2011: University of Michigan
- 2010: Washington University in St. Louis
- 2009: Purdue University
- 2008: University Wisconsin-Madison
- 2007: Northwestern University
- 2006: University of Cincinnati
- 2005: University of Minnesota
- 2004: Michigan State University
- 2003: University of Iowa
- 2002: Indiana University-IUPUI
- 2001: University of Illinois Urbana-Champaign
- 2000: The Ohio State University
- 1999: Medical College of Wisconsin
- 1998: Washington University in St. Louis
- 1997: University of Michigan
- 1996: University of Wisconsin-Madison
- 1995: Northwestern University
- 1994: University of Iowa