Eleventh International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS 2012); senior program committee member
Twenty-Sixth Conference on Artificial Intelligence (AAAI 2012); program committee member
13th International Conference on Principles of Knowledge Representation and Reasoning (KR 2012)); program committee member
Fifth International Workshop on Logics, Agents and Mobility (LAM 2012); program committee member
4th International Conference on Agents and Artificial Intelligence (ICAART 2012); program committee member
Twenty-second International Joint Conference on Artificial Intelligence (IJCAI-11); senior program committee member
Fifth International Workshop on Juris-informatics(JURISIN 2011); program committee member
4th Workshop on Logical Aspects of Multi-Agent Systems (LAMAS 2011); program committee member
AAMAS 2011 tutorial on Social Laws for Multi-Agent Systems; presenter
Ninth International Workshop on Declarative Agent Languages and Technologies (DALT 2011); program committee member
Thirteenth International Conference on Artificial Intelligence and Law (ICAIL 2011); program committee member
Fourth International Workshop on Logics, Agents and Mobility (LAM 2011); program committee member
Tenth International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS 2011); program committee member
3rd International Conference on Social Informatics (SocInfo 2011); program committee member
The 7th Workshop on "Methods for Modalities" (M4M-7); program committee member
Workshop on Agent Based Computing: from Model to Implementation VIII (ABC:MI'11); program committee member
Fifth European Starting AI Researcher Symposium (STAIRS 2010), organised as a part of ECAI 2010; general chair
The Ninth International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS 2010); senior program committee member
Twenty-Fourth Conference on Artificial Intelligence (AAAI 2010); program committee member
19th European Conference on Artificial Intelligence (ECAI 2010); program committee member
9th Conference on Logic and the Foundations of Game and Decision Theory (LOFT 2010); program committee member
The First Workshop on Cooperative Games in Multiagent Systems (CoopMAS-2010); program committee member
2nd International Conference on Social Informatics (SocInfo 2010); program committee member
3rd International Conference on Agents and Artificial Intelligence (ICAART 2011); program committee member
International Workshop on Risk and Trust in Extended Enterprises (RTEE 2010); program committee member
3rd Workshop on Logics for Intelligent Agents and Multi-Agent Systems (WLIAMAS 2010); program committee member
8th International Workshop on Declarative Agent Languages and Technologies (DALT 2010); program committee member
11th International Workshop on Computational Logic in Multi-Agent Systems (CLIMA XI); invited speaker, program committee member
Third International Workshop on Logics for Resource Bounded Agents (LRBA 2010), organised as a part of MALLOW 2010 in Lyon August 2010; co-chair
3rd International Workshop on Logics for Agents and Mobility (LAM 2010); program committee member
3rd Workshop on Logical Aspects of Multi-Agent Systems (LAMAS 2010); program committee member
5th International Workshop on Normative Multi-Agent Systems (NorMAS 2010); program committee member
Workshop on Agent Based Computing: from Model to Implementation VII (ABC:MI'10); program committee member
2nd International Conference on Agents and Artificial Intelligence (ICAART 2010); program committee member
10th International Workshop on Computational Logic in Multi-Agent Systems (CLIMA X); program committee member
1st International Conference on Social Informatics (SocInfo 2009); program committee member
The 2nd Workshop on Logics for Intelligent Agents and Multi-Agent Systems (WLIAMAS 2009); program committee member
International Workshop on Theory and Practice of Programming Collectives (PROTOCOL 2009); program committee member
Twenty-first International Joint Conference on Artificial Intelligence (IJCAI-09); senior program committee member
The Eighth International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS 2009); senior program committee member
6th Workshop on "Methods for Modalities" (M4M-6); program committee member
Workshop on Logical Methods for Social Concepts; program committee member
Workshop on Logics and Agent Programming Languages; program committee member
The 7th International Workshop on Declarative Agent Languages and Technologies (DALT 2009); program committee member
2nd International Workshop on Logics for Agents and Mobility (LAM 2009); program committee member
Workshop on Logics for Intelligent Agents and Multi-Agent Systems (WLIAMAS 2008); program committee member
International Conference on Agents and Artificial Intelligence (ICAART 2009); program committee member
18th European Conference on Artificial Intelligence (ECAI 2008); program committee member
3rd International Workshop on Normative Multiagent Systems (NorMAS 2008); program committee member
Workshop on Organized Adaptation in Multi-Agent Systems (OAMAS 2008), co-located with AAMAS 2008; program committee member
Twenty-Third AAAI Conference on Artificial Intelligence (AAAI 2008); program committee member
The 6th International Workshop on Declarative Agent Languages and Technologies (DALT 2008), co-located with AAMAS 2008; program committee member
Esslli 2008 course on Modal Logics for Games and Multi-Agent Systems; presenter
Workshop on Knowledge Representation for Agents and Multi-Agent Systems (KRAMAS 2008), co-located with KR 2008; program committee member
Logics for Agents and Mobility (LAM 2008), organised as part of ESSLLI 2008; program committee member
The Fifth European Workshop On Multi-Agent Systems Hammamet (EUMAS 2007); program committee member
AAMAS 2007 tutorial on Reasoning about Cooperation; presenter
2007 Workshop on Logics for Resource Bounded Agents to be held as a part of Multi-Agent Logics, Languages, and Organisations -- Federated Workshops (MALLOW'007) in Durham September 2007; co-chair
Workshop on Logics and Collective Decision Making (LCD 2007); program committee member
The Sixth International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS 2007); program committee member
The 33rd International Conference on Current Trends in Theory and Practice of Computer Science (SOFSEM 2007), Multi-agent System Track; program committee member
The ESSLLI 2006 Workshop on Logics for Resource Bounded Agents; co-chair
The 7th Conference on Logic and the Foundations of Game and Decision Theory (LOFT 2006); program committee member
The Fifth International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS 2006); program committee member
AAMAS 2006 tutorial on Reasoning about Cooperation; presenter