- 2020 (Virtual)
- 2019 (Buffalo, USA)
- 2018 (Dresden, Germany)
- 2017 (Debrecen, Hungary)
- 2016 (Zürich, Switzerland)
- 2015 (London, GB)
- 2014 (Suzdal, Russia)
- 2013 (Hamburg, Germany)
- 2012 (East Lansing, Michigan, USA)
- 2011 (St. Andrews, Scotland)
- 2010 (Trento, Italy)