Concurrency, in particular:
Programme committee member of Reversible Computation 2009.
Programme committee member of Structural Operational Semantics 2008.
Joint invited speaker at Express'07, the 14th International Workshop on Expressiveness in Concurrency and GT-VC 2007, Graph Transformation for Verification and Concurrency.
Co-organiser of Express'06, the 13th International Workshop on Expressiveness in Concurrency.
Erdos numbers for Department of Computing