Senior PC member of AAAI Conference on Artificial Intelligence (AAAI-2010, AAAI-2011, AAAI-2022)
PC member of AAAI Conference on Artificial Intelligence (AAAI-2012)
Senior PC member of International Joint Conference on Autonomous Agents & Multiagent Systems (AAMAS-2014, AAMAS-2015, AAMAS-2019)
PC member of International Joint Conference on Autonomous Agents & Multiagent Systems (AAMAS-2002, AAMAS-2003, AAMAS-2004, AAMAS-2005, AAMAS-2008, AAMAS-2009, AAMAS-2013, AAMAS-2020, AAMAS-2023)
PC co-chairs of International Workshop on Distributed Constraint Reasoning (DCR-2009)
PC member of International Workshop on Distributed Constraint Reasoning (DCR-2006, DCR-2007, DCR-2008, DCR-2010, DCR-2011, DCR-2013)
PC member of European Conference on Artificial Intelligence (ECAI-2014)
Reviewer of European Conference on Artificial Intelligence (ECAI-2006)
PC member of International FLAIRS Conference (FLAIRS-2004, FLAIRS-2005)
Local co-chairs of International Symposium on Functional and Logic Programming (FLOPS-2012)
PC member of IEEE International Conference on Agents (IEEE ICA-2016)
Senior PC member of International Joint Conference on Artificial Intelligence (IJCAI-2013, IJCAI-2018)
PC member of International Joint Conference on Artificial Intelligence (IJCAI-2001, IJCAI-2003, IJCAI-2005, IJCAI-2007, IJCAI-2011, IJCAI-2016, IJCAI-2020)
PC member of International Workshop on Optimization and Learning in Multiagent Systems (OptLearnMAS-2020, OptLearnMAS-2023)
PC member of International Workshop on Optimisation in Multi-Agent Systems (OPTMAS-2012, OPTMAS-2013, OPTMAS-2015, OPTMAS-2016, OPTMAS-2017, OPTMAS-2018, OPTMAS-2019)
PC member of International Joint Workshop on Optimisation in Multi-Agent Systems and Distributed Constraint Reasoning (OPTMAS-DCR-2014)
PC member of International Conference on Practical Applications of Agents and Multi-Agent Systems (PAAMS-2021)
General co-chairs of International Conference on Principles and Practice of Multi-Agent Systems (PRIMA-2016)
Senior PC member of International Conference on Principles and Practice of Multi-Agent Systems (PRIMA-2012, PRIMA-2013, PRIMA-2014, PRIMA-2015, PRIMA-2017, PRIMA-2018, PRIMA-2019)
PC member of International Conference on Principles and Practice of Multi-Agent Systems (PRIMA-2016)
PC member of International Conference on Smart Computing and Artificial Intelligence (SCAI-2021)
Scientific Programme Committee of International Conference on Marine Navigation and Safety of Sea Transportation (TransNav-2019, TransNav-2021)
Editorial Committee of IEICE Transactions on Information and Systems (2007/4--2011/4)