(Coming September 2012) -- Dr. Henry Roediger (Washington University in St. Louis)
March 2012 -- Dr. Judith Harackiewicz (University of Wisconson)
September 2011 -- Dr. Edward Deci (University of Rochester)
November 2010 -- Dr. Kelli Klebe (University of Colorado at Colorado Springs)
April, 2010 -- Dr. Toni Schmader (University of British Columbia)
March, 2010 -- Dr. David Balota (Washington University in St. Louis)
March, 2010 -- Dr. Dolores Albarracin (University of Illinois)
September, 2009 -- Dr. Ingrid Johnston-Robledo (SUNY Fredonia)
March, 2008 -- Dr. Pat Carroll (University of Florida)
October, 2007 -- Dr. Randy Engle (Georgia Tech University)
March, 2007 -- Dr. Simon Grondin (Laval University, Quebec)
February, 2007 -- Dr. Tom Pyszczynski (University of Colorado at Colorado Springs)
February, 2007 -- Dr. Dean MacDonald (The Ohio State University)
