**Szeged, Hungary, June 21–25, 2012**

- Algorithmic Complexity and Universal Algebra, 2007
- Conference on Universal Algebra and Lattice Theory, 2005
- Conference on Universal Algebra and Lattice Theory, 2002
- A Course in Tame Congruence Theory, 2001
- Colloquium on Semigroups, 2000
- Conference on Lattices and Universal Algebra, 1998
- Conference on Universal Algebra and Lattice Theory, 1996