Member of the steering committee of COMMA international conference series on Computational Models of Argument.
Emeritus member of the Board of Directors of the European Association for Multi-Agent Systems.
Fellow of the Higher Education Academy.

Member of the Advisory Board for the UKRI AI Centre for Doctoral Training in Sustainable Understandable agri-food Systems Transformed by Artificial INtelligence (SUSTAIN) (2024 - present).
Member of the Advisory Board for the UKRI Centre for Doctoral Training in Machine Intelligence for Nano-Electronic Devices and Systems (MINDS) (2023 - present).
Member of the Advisory Group to the UK Government's Energy Digitalisation Taskforce (2021).
External Subject Advisory Group member, advising Pearson on their approach to the government's redevelopment of GCSE Computer Science (2014 - 2015).
IT/Computer Science Strategic Advisory Group member, advising Pearson on the development of new A Level qualifications (2012 - 2013).

Trust me, I’m an AI. Panel discussion with Kevin Fong and Suze Kundu, part of the Cosmic Shambles Forest of Science and Culture at Latitude Festival, July 2025.
Provided expert advice and a reflective commentary for the learning and education section of the speculative fiction anthology All Tomorrow’s Futures: Fictions That Disrupt, published by Cybersalon Press. I also featured in a panel discussion on the methodology and ideas behind this "thrilling ride through diverse speculative landscapes, mixing the best elements of fun and imaginative story telling with real-life insights from top practitioners".
Video and blog post on a trustworthy future of AI, part of the King's College London Reimagining AI Futures series, October 2023.
Public talk on Trustworthy AI at the Science Gallery London, part of the AI: Who's looking after me? season, October 2023.
Advisor for the Science Gallery London season on AI: Who's looking after me?, which ran from June 2023 to January 2024 and was named as one of the best exhibitions in London by Evening Standard, Condé Nast Traveller and Visit London.
BBC Radio 4, 10 November 2013. Interviewed for Artificial Soul, part of the Something Understood series: John McCarthy asks whether there is any aspect of humanity that could never be programmed into a machine.

Co-Chair of the Workshop on Safe and Trusted Artificial Intelligence (STAI 2023), held at the 39th International Conference on Logic Programming (ICLP 2023) in London, UK, 2023.
Co-Chair of the IEEE Special Track on Artificial Intelligence for Healthcare: From Black Box to Explainable Models (AI4H:B2E 2019), held at the 32nd IEEE CBMS International Symposium on Computer-Based Medical Systems in Cordoba, Spain, 2019.
Co-Chair of the Fourth International Workshop on Theory and Applications of Formal Argument (TAFA 2017), held as an IJCAI workshop in Melbourne, Australia, 2017.
Co-Chair of the Third International Workshop on Theory and Applications of Formal Argument (TAFA 2015), held as an IJCAI workshop in Buenos Aires, Argentina, 2015.
Local Chair of Norms, Actions, Games workshop (NAG 2014), held at King’s College London, 2014.
Co-Chair of the Second International Workshop on Theory and Applications of Formal Argument (TAFA 2013), held as an IJCAI workshop in Beijing, China, 2013.
Programme Co-Chair and Local Co-Chair of the 15th European Agent Systems Summer School (EASSS 2013), held at King’s College London, 2013.
Programme Co-Chair and Local Co-Chair of the 15th Advanced Course on Artificial Intelligence (ACAI 2013), held at King’s College London, 2013.

European Conference on Artificial Intelligence (ECAI 2024).
International Joint Conference on Artificial Intelligence and Pacific Rim International Conference on Artificial Intelligence (IJCAI-PRICAI 2020).
International Joint Conference on Artificial Intelligence (IJCAI 2017, IJCAI 2019).
International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS 2017, AAMAS 2018).

AAAI Conference on Artificial Intelligence (AAAI 2016, AAAI 2017).
European Conference on Artificial Intelligence (ECAI 2014, ECAI 2016).
International Joint Conference on Artificial Intelligence (IJCAI 2011, IJCAI 2013, IJCAI 2015, IJCAI 2018).
International Conference on Computational Models of Argument (COMMA 2012, COMMA 2016, COMMA 2018, COMMA 2020, COMMA 2022, COMMA 2024).
International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS 2012, AAMAS 2015).
International Conference on Principles of Knowledge Representation and Reasoning (KR 2012, KR 2016).
European Conference on Multi-Agent Systems (EUMAS 2010, EUMAS 2011, EUMAS 2014, EUMAS 2015).
International Workshop on Value Engineering in AI (VALE 2023).
International Workshop on Argumentation for Explainable AI (ArgXAI 2022).
International Workshop on Responsible Artificial Intelligence Agents (RAIA 2019).
International Workshop on Computational Argument and Cognition (COGNITAR 2020).
International Workshop on Argumentation and Multi-Agent Systems (ArgMAS 2009, ArgMAS 2010, ArgMAS 2011, ArgMAS 2012, ArgMas 2013, ArgMAS 2014).
International Workshop on Systems and Algorithms for Formal Argumentation (SAFA 2016).
International Workshop on Computational Logic in Multi-Agent Systems (CLIMA 2013).
International Workshop on Conflict Resolution in Decision Making (CORDEMA 2013).
International Workshop on the Theory and Applications of Formal Argumentation (TAFA 2011).
Starting AI Researchers Symposium (STAIRS 2012).