| February 6-7, 2010 | University of Michigan | Ann Arbor, Michigan | |
| October 16-18, 2009 | University of Chicago | Chicago, Illinois (poster) | |
| May 2-3, 2009 | University of Minnesota | Minneapolis, Minnesota | |
| February 21, 2009 | Purdue University | West Lafayette, Indiana | |
| May 3, 2008 | Northwestern University | Evanston, Illinois | |
| February 23, 2008 | University of Notre Dame | Notre Dame, Indiana | |
| October 13, 2007 | University of Illinois at Urbana-Champaign | Urbana, Illinois | |
| April 28-29 , 2007 | Wayne State University | Detroit, Michigan | |
| February 24 , 2007 | University of Illinois at Chicago | Chicago, Illinois | |
| October 21-22, 2006 | Indiana University | Bloomington, Indiana | |
| April 7-11, 2006 | University of Chicago | Chicago, Illinois | |
| April 16-17, 2005 | University of Chicago | Chicago, Illinois | |
| February 26-27, 2005 | Calvin College | Grand Rapids, Michigan | |
| October 9-10, 2004 | Purdue University | West Lafayette, Indiana | (poster) |
| May 1, 2004 | Indiana University | Bloomington, Indiana | |
| February 21, 2004 | Northwestern University | Evanston, Illinois | |
| October 4, 2003 | University of Wisconsin | Madison, Wisconsin | |
| April 22, 2003 | University of Illinois at Urbana-Champaign | Urbana, Illinois | |
| February 1, 2003 | Purdue University Calumet | Hammond, Indiana | |
| November 2, 2002 | Western Michigan University | Kalamazoo, Michigan | |
| April 20, 2002 | University of Chicago | Chicago, Illinois | |
| February 23, 2002 | University of Illinois at Chicago | Chicago, Illinois | |
| November 10-11, 2001 | Purdue University | West Lafayette, Indiana | |
| February 24, 2001 | University of Illinois at Chicago | Chicago, Illinois | |
| October 28-29, 2000 | Indiana University | Bloomington, Indiana | |
| February 26-27, 2000 | University of Chicago | Chicago, Illinois | |
| October 23, 1999 | Purdue University Calumet | Hammond, Indiana | |
| April 23-27, 1999 | University of Chicago | Chicago, Illinois | |
| April 10, 1999 | Northwestern University | Evanston, Illinois | |
| February 13, 1999 | University of Wisconsin | Madison, Wisconsin | |
| October 16-18,1998 | University of Michigan | Ann Arbor, Michigan | |
| April 18, 1998 | University of Illinois at Chicago | Chicago, Illinois | |
| January 24, 1998 | Northwestern University | Evanston, Illinois | |
| December 6-7, 1997 | Ohio State University | Columbus, Ohio | |
| September 27, 1997 | University of Illinois at Urbana-Champaign | Urbana, Illinois | |
| April 26, 1997 | University of Notre Dame | Notre Dame, Indiana | |
| January 25, 1997 | Northwestern University | Evanston, Illinois | |
| October 12, 1996 | Western Michigan University | Kalamazoo, Michigan | |
| April 26-30, 1996 | University of Chicago | Chicago, Illinois | |
| February 24, 1996 | University of Illinois at Chicago | Chicago, Illinois | |
| October 7, 1995 | University of Notre Dame | Notre Dame, Indiana | |
| April 22, 1995 | Northwestern University | Evanston, Illinois | |
| February 25, 1995 | University of Illinois at Chicago | Chicago, Illinois | |
| December 3-4, 1994 | Ohio State University | Columbus, Ohio | |
| October 8-9, 1994 | Wayne State University | Detroit, Michigan | |
| May 27 - June 1, 1994 | University of Chicago | Chicago, Illinois | |
| February 19, 1994 | Northwestern University | Evanston, Illinois | |
| November 6, 1993 | Purdue University | West Lafayette, Indiana | |
| April 17, 1993 | University of Notre Dame | Notre Dame, Indiana | |
| May 1-3, 1981 | Purdue University | West Lafayette, Indiana |