Contributor to Dagstuhl Seminars

• Verification of Evolving Graph Structures - Dagstuhl Seminar 15451, November 1-6, 2015

• Formal Models of Graph Transformation in Natural Language Processing - Dagstuhl Seminar 15122, March 15-20, 2015

• Graph Transformations and Process Algebras for Modeling Distributed and Mobile Systems - Dagstuhl Seminar 04241, June 6-11, 2004

• Graph Transformations in Computer Science - Dagstuhl Seminar 9637, September 9-13, 1996

Lecturer at Summer Schools

• Leverhulme School on Graph Transformation Techniques (LSGT 2018) - Egham, United Kingdom, June 29-July 1, 2018

• 8th International School on Rewriting (ISR 2015) - Leipzig, Germany, August 10-14, 2015

• 1st International School on Rewriting (ISR 2006) - Nancy, France, July 3-7, 2006

• European School on Graph Transformation - Bremen, Germany, March 2-7, 1998