I was co-organiser of the following events:

• Adaptation of language resources and tools for closely related languages and language variants, Workshop in conjunction with with the RANLP 2013 Conference13 September 2013, Hissar, Bulgaria (together with Petya Osenova-Bulgarian Academy of Sciences and Milena Slavcheva-JRC Brussels)
• Crosslingual Language Technology in service of an integrated multilingual Europe - 20 years on-, Conference dedicated to the the 70th birthday of Prof. Dr. Walther v. Hahn, 4-5 May, 2012
• Adaptation of Language Resources and Tools for Processing Cultural Heritage Objects, Workshop associated with the LREC 2012 Conference,26 May 2012, Istanbul, Turkey
• Language Technologies for Digital Humanities and Cultural Heritage, Workshop associated with the RANLP 2011 Conference, 15-16 September 2011, Hissar, Bulgaria
• Exploitation of multilingual resources and tools for Central and (South) Eastern European Languages, Workshop associated with the LREC 2010 conference (17-23 May 2010)
• Multilingual resources, technologies and evaluation for central and Eastern European languages, Workshop associated with the RANLP 2009 Conference, 17-18 September 2009, Borovets, Bulgaria
• Workshop on "Machine Translation for historical texts" at EAMT 2009
• EAMT European conference in Machine Translation, September 2008, University of Hamburg
• International Symposium on Language for Special Purposes - LSP 2007
• Workshop at RANLP07 - Natural Language Processing and Knowledge Representation for eLearning environments
• ELSNET Summer School 2006 - Information Fusion in Natural Language Systems
• FirstInternational Workshop Ontology - based Modelling in Humanities , 6-9 April 2006, University of Hamburg
• Modern Approaches in Translation Technologies- Workshop held in conjunction with the international Conference “Recent Advances in Natural Language Processing- RANLP 2005”- 24 September 2005 Borovets, Bulgaria
• Semantic Web Technologies for Machine Translation - Satellite Workshop at the MT Summit 2005 12 September, Phuket Thailand
• Hands-on Seminar on Example based Machine Translation, 2 weeks Training seminar for Students at the Cahrles University Prague, 23May - 3rd June 2005
• Language Resources: Integration and Development in e-learning and in teaching Computational Linguistics., International Workshop preceding LREC 2004 - 4th International Conference on Language Resources and Evaluation Lisbon, Portugal - 24th May 2004
• Student Workshop "Applied Natural Language Processing - possible applications for the Semantic Web -" July 2003
• Hands-on Seminar on Machine Translation, 2 weeks Training seminar for Students at the University of Bucharest , sponsored by DAAD July 2002
• International Symposium "Natural Language Processing between Linguistic Inquiry and System Engineering" - Kolloquium dedicated to the 60th anniversary of Prof. Dr. Walther v. Hahn (Photos), 29 April 2002