- 2010: Lehigh University
- 2009: Lehigh University
- 2008: University of Guelph
- 2007: McMaster University (joint with ICCOPT II)
- 2006: University of Waterloo
- 2005: University of Windsor
- 2004: McMaster University
- 2003: McMaster University
- 2002: McMaster University
- 2001: McMaster University