Services to the Community

Memberships in Editorial Boards etc.

• Associate Editor of the Annals of Mathematics and Artificial Intelligence (AMAI), since January 2020
• Associate Editor of the Journal of Artificial Intelligence Research (JAIR), since September 2017
• Editorial Board Member of the Journal of Universal Computer Science (J.UCS), since January 2005
• Editorial Board Member of Mathematical Logic Quarterly (MLQ), January 2008 through December 2019
• Editorial Board Member of Algorithms MDPI, April 2021 through April 2022
• Founding Member of the Düsseldorf Institute for Internet and Democracy (DIID), since 2016
• Founding Advisory Board Member of the Centre for Mathematical Social Science, Department of Mathematics, University of Auckland (Auckland, New Zealand), 2009 through 2014
• Editorial Board Member of the Mathematical Programming Glossary of the INFORMS Computing Society, since August 2008

Other Academic Services

• Chair of the Advisory Board for Minerva Foundation's Leibniz Center for Research in Computer Science of the School of Computer Science and Engineering at The Hebrew University of Jerusalem, Israel, December 2018 through November 2022
• Member of the Board of Specialized Group for Complexity of Gesellschaft für Informatik e.V., since 2016
• Member of the Management Committee (for Germany, jointly with Britta Dorn, Universität Tübingen) of COST Action IC1205: "Computational Social Choice", 2012 through 2016
• Member of the Steering Committee for the COMSOC workshop series, 2012 through 2014
• Member of the Beirat des Bundeswettbewerbs Informatik (BWINF), 2002 through 2011
• Reviewer for the Mathematical Reviews of the American Mathematical Society, since 2000
• Contact person for International Students Exchange Programs like ERASMUS/SOKRATES at the Institut für Informatik, Heinrich-Heine-Universität Düsseldorf, 2002 through 2014

Memberships in Program Committees etc.

• 23rd International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2024), Auckland, New Zealand, May 2024
• 38th AAAI Conference on Artificial Intelligence (AAAI 2024), Vancouver, Canada, February 2024, Area Chair
• 18th International Symposium on Artificial Intelligence and Mathematics (ISAIM 2024), Fort Lauderdale, USA, January 2024
• 26th European Conference on Artificial Intelligence (ECAI 2023), Kraków, Poland, September/October 2023
• 20th International Conference on Principles of Knowledge Representation and Reasoning (KR 2023), Rhodes, Greece, September 2023
• 32nd International Joint Conference on Artificial Intelligence (IJCAI 2023), Macao, S.A.R., August 2023
• 48th International Symposium on Mathematical Foundations of Computer Science (MFCS 2023), Bordeaux, France, August 2023
• 22nd International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2023), London, UK, May 2023
• 37th AAAI Conference on Artificial Intelligence (AAAI 2023), Washington, D.C., USA, February 2023
• 19th European Conference on Multi-Agent Systems (EUMAS 2022), Düsseldorf, Germany, September 2022, Program Co-Chair
• 19th International Conference on Principles of Knowledge Representation and Reasoning (KR 2022), Haifa, Israel, July/August 2022
• 31st International Joint Conference on Artificial Intelligence and 25th European Conference on Artificial Intelligence (IJCAI-ECAI 2022), Vienna, Austria, Juli 2022, Senior Program Committee member
• 21st International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2022), Auckland, New Zealand, May 2022, Senior Program Committee member
• 36th AAAI Conference on Artificial Intelligence (AAAI 2022), Vancouver, Canada, February/March 2022, Senior Program Committee member
• 30th International Joint Conference on Artificial Intelligence (IJCAI 2021), Montreal, Canada, August 2021, Area Chair
• 20th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2021), London, UK, May 2021
• 35th AAAI Conference on Artificial Intelligence (AAAI 2021), Virtual Conference, February 2021, Senior Program Committee member
• 8th International Workshop on Computational Social Choice (COMSOC 2021), Technion - Israel Institute of Technology, Haifa, Israel, June 2021 (postponed due to the Corona pandemic)
• 29th International Joint Conference on Artificial Intelligence (IJCAI 2020), Yokohama, Japan, January 2021, Senior Program Committee member
• 15th International Computer Science Symposium in Russia (CSR 2020), Ekaterinburg, Russia, June 2020
• 19th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2020), Auckland, New Zealand, May 2020, Senior Program Committee member
• 34th AAAI Conference on Artificial Intelligence (AAAI 2020), New York, NY, USA, February 2020, Area Chair
• 6th International Conference on Algorithmic Decision Theory (ADT 2019), Duke University, Durham, North Carolina, USA, September 2019
• 28th International Joint Conference on Artificial Intelligence (IJCAI 2019), Macao, China, August 2019, Senior Program Committee member
• 18th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2019), Montreal, Canada, May 2019, Senior Program Committee member
• 33rd AAAI Conference on Artificial Intelligence (AAAI 2019), Honolulu, Hawaii, USA, January/February 2019
• 6th International Conference on Agreement Technologies (AT 2018), Bergen, Norway, December 2018
• 7th International Workshop on Computational Social Choice (COMSOC 2018), Troy, NY, USA, June 2018
• 27th International Joint Conference on Artificial Intelligence and 23rd European Conference on Artificial Intelligence (IJCAI-ECAI 2018), Stockholm, Sweden, July 2018, Senior Program Committee member
• 17th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2018), Stockholm, Sweden, July 2018
• 32nd AAAI Conference on Artificial Intelligence (AAAI 2018), New Orleans, Lousiana, USA, February 2018
• 5th International Conference on Agreement Technologies (AT 2017), Évry, France, December 2017
• 5th International Conference on Algorithmic Decision Theory (ADT 2017), Luxembourg, October 2017, Program Chair
• 42nd International Symposium on Mathematical Foundations of Computer Science (MFCS 2017), Aalborg, Denmark, August 2017
• 8th Workshop on Cooperative Games in Multiagent Systems (CoopMAS 2017), São Paulo, Brazil, May 2017
• 16th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2017), São Paulo, Brazil, May 2017
• 31st AAAI Conference on Artificial Intelligence (AAAI 2017), San Francisco, California, USA, February 2017
• 4th International Conference on Agreement Technologies (AT 2016), Valencia, Spain, December 2016
• 39th Joint German/Austrian Conference on Artificial Intelligence (KI 2016), Klagenfurt, Austria, September 2016
• 22nd International Conference on Principles and Practice of Constraint Programming (CP 2016), track on "Preferences, Social Choice and Optimisation", Toulouse, France, September 2016
• 22nd European Conference on Artificial Intelligence (ECAI 2016), The Hague, The Netherlands, August/September 2016
• 25th International Joint Conference on Artificial Intelligence (IJCAI 2016), New York City, USA, July 2016, Senior Program Committee member
• 6th International Workshop on Computational Social Choice (COMSOC 2016), Toulouse, France, June 2016
• 15th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2016), Singapore, May 2016
• 30th AAAI Conference on Artificial Intelligence (AAAI 2016), Phoenix, Arizona, USA, February 2016
• 1st Global Conference on Artificial Intelligence (GCAI 2015), Tbilisi, Georgia, October 2015
• 13th German Conference on Multiagent Systems Technology (MATES 2015), Cottbus, Germany, September/October 2015
• 4th International Conference on Algorithmic Decision Theory (ADT 2015), Lexington, Kentucky, USA, September 2015
• 24th International Joint Conference on Artificial Intelligence (IJCAI 2015), Buenes Aires, Argentina, July 2015, Senior Program Committee member
• 14th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2015), Istanbul, Turkey, May 2015
• 9th International Conference on Language and Automata Theory and Applications (LATA 2015), Nice, France, March 2015
• 29th AAAI Conference on Artificial Intelligence (AAAI 2015), Austin, Texas, USA, January 2015
• 12th German Conference on Multiagent Systems Technology (MATES 2014), Stuttgart, Germany, September 2014
• 21st European Conference on Artificial Intelligence (ECAI 2014), Prague, Czech Republic, August 2014
• 28th AAAI Conference on Artificial Intelligence (AAAI 2014), Québec City, Québec, Canada, July 2014
• 13th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2014), Paris, France, May 2014
• 5th International Workshop on Computational Social Choice (COMSOC 2014), Pittsburgh, Pennsylvania, USA, June 2014
• 23rd International Joint Conference on Artificial Intelligence (IJCAI 2013), Beijing, China, August 2013, Senior Program Committee member
• 12th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2013), Saint Paul, Minnesota, USA, May 2013
• 4th International Workshop on Computational Social Choice (COMSOC 2012), Kraków, Poland, September 2012
• 20th European Conference on Artificial Intelligence (ECAI 2012), Montpellier, France, August 2012
• 11th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2012), Valencia, Spain, May 2012
• 6th International Conference on Language and Automata Theory and Applications (LATA 2012), A Coruña, Spain, March 2012
• 22nd International Joint Conference on Artificial Intelligence (IJCAI 2011), Barcelona, Spain, July 2011
• 3rd International Workshop on Computational Social Choice (COMSOC 2010), Düsseldorf, Germany, September 2010, Program Co-Chair
• 19th European Conference on Artificial Intelligence (ECAI 2010), Lisbon, Portugal, August 2010
• 9th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2010), Toronto, Canada, May 2010
• 34th International Symposium on Mathematical Foundations of Computer Science (MFCS 2009), High Tatras, Czech Republic, August 2009
• 21st International Joint Conference on Artificial Intelligence (IJCAI 2009), Pasadena, California, USA, July 2009
• 3rd International Conference on Language and Automata Theory and Applications (LATA 2009), Tarragona, Spain, April, 2009
• 23rd AAAI Conference on Artificial Intelligence (AAAI 2008), Chicago, Illinois, USA, July 2008
• 7th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2008), Estoril, Portugal, May 2008
• 22nd AAAI Conference on Artificial Intelligence (AAAI 2007), Vancouver, Canada, July 2007
• First International Workshop on Computational Social Choice (COMSOC 2006), Amsterdam, The Netherlands, December 2006
• ICALP Affiliated Workshop for improving Exponential-Time Algorithms (iETA 2006), see also the list of ICALP 2006 Workshops , Venice, Italy, July 2006
• Member of the International Scientific Advisory Committee for the Third International Conference on Information and Communication Technologies: From Theory to Applications (ICTTA'08), Damascus, Syria, April 2008, and the Second International Conference on Information and Communication Technologies: From Theory to Applications (ICTTA'06), Damascus, Syria, April 2006
• Co-organizer of the Mathematics / Applied Mathematics / Computer Science Session "Randomness in Computation" for the Second Japanese-German Frontiers of Science Symposium (JaGFoS), Shonan, Japan, November 2005, organized jointly by the Alexander von Humboldt Foundation (AvH) and the Japan Society for the Promotion of Science (JSPS)
• Co-organizer of the Mathematics / Applied Mathematics / Computer Science Session "Computational Challenges of Massive Data Sets" for the First Japanese-German Frontiers of Science Symposium (JaGFoS), Mainz, Germany, January 2005, organized jointly by the Alexander von Humboldt Foundation (AvH) and the Japan Society for the Promotion of Science (JSPS)
• Organizer of the 49th Workshop about Complexity Theory, Data Structures, and Efficient Algorithms, Düsseldorf, Germany, November 2003

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