- Preconditioning 1999, The University of Minnesota, Minneapolis, June 10--12, 1999.
- Preconditioning 2001, The Granlibakken Conference Center, Tahoe City, April 29--May 1, 2001.
- Preconditioning 2003, Embassy Suites Napa Valley, Napa, October 27--29, 2003.
- Preconditioning 2005, Emory University, Atlanta, May 19--21, 2005.
- Preconditioning 2007, Météopole, Toulouse, France, July 9--12, 2007.
- Preconditioning 2009, Hong-Kong Baptist University, Hong Kong, August 24--26, 2009.
- Preconditioning 2011, Domaine du Haut-Carré, Bordeaux, France, May 16--18, 2011.
- Preconditioning 2013, St Anne's College, Oxford, United Kingdom, June 19--21, 2013.
- Preconditioning 2015, Eindhoven University of Technology, Eindhoven, The Netherlands, June 17--19, 2015.
- Preconditioning 2017, University of British Columbia, Vancouver, Canada, July 31--August 2, 2017.
- Preconditioning 2019, University of Minnesota, Minneapolis, USA, July 1--3, 2019.
- Preconditioning 2022, TU Chemnitz, Chemnitz, Germany, June 8--10, 2022.