Service

Ongoing

Department of Computer Science and Technology

• Director of Postgraduate Education (2026-2027)
• Founding Chair, Awards Committee (2023-, except during my 2025-26 sabbatical)
• Founder and Co-director, Energy and Environment Group (2022-)
• First- and second-year PhD report assessor (2020-)

School of Technology

• Chair, Board of Moderators for Postgraduate Admissions (2026-)

Fitzwilliam College

• Fellow for Research (2024-2025, 2026-)
• Director of Studies for Computer Science (2020-2025; Part IB and Part III from 2026)
• Graduate Tutor (2020-)
• Trustee (2019-)

Charities

• Trustee, Canopy PACT (2024-)

Editorial boards

• Editor, Communications of the ACM Research Highlights (2021-)

Advisory boards and programmes

• Research Advisor, RAIN (Research Advisor for International Networking) programme, University of Oldenburg (2026-)
• Advisor, Maker Bhavan Foundation (2020-)

Completed (since 2019)

• External PhD examiner (opponent), Ali Shibli, KTH Royal Institute of Technology (2026)
• Internal PhD examiner, Joshua Dimasaka, Cambridge (2026)
• TPC Member (Track Co-chair), ACM e-Energy 2026
• TPC Member, ACM BuildSys 2026
• Host of the weekly Energy and Environment Group seminar (2022-2026)
• Evaluation of the CS cluster at IIT Delhi (2025)
• TPC Member, ACM SIGCOMM 2025 and ACM e-Energy 2025
• Member, Academic Advisory Board, INATBA: International Association for Trusted Blockchain Applications (2019-2025)
• Co-founder and co-PI, Cambridge Centre for Carbon Credits (2021-2025)
• Deputy Director, CST Graduate Education Committee (PhD Admissions) (2023-2025)
• Member, Board of Moderators for Postgraduate Admissions, School of Technology (2023-24 and 2024-25)
• Member (2022-23) and Chair (2024-25), Academic Promotions Committee, Department of CST
• Member, Advisory Group for Research Purpose, University of Cambridge (2024-2025)
• Member, Harding Distinguished Scholars Program Advisory Committee (2023-2025)
• Member, Environment Committee, Fitzwilliam College (2021-2025)
• Supervisor, Part IB Computer Networking, Fitzwilliam College (Lent 2020 and Lent 2025)
• Member, Scientific Advisory Board, Institute of Energy Economics (EWI), Cologne (2020-2024)
• Member of the Cambridge Zero Policy Forum (2020-2024)
• Artificial Intelligence for Environmental Risk (AI4ER) Centre for Doctoral Training:
  • Co-director for Innovation and Partnerships (2021-2024)
  • Member, Management Committee and Research Committee (2019-2023)
  • Member (2020) and Chair (2021), Admissions Committee
  • Member (2020) and Chair (2021), MRes Examination Board
  • Assessor, Guided Team Challenge (2022)
• Part II project checker, Department of CST (2020-2024)
• Member, Carbon Offset Working Group (2020-2023)
• Founding Editor-in-Chief, Energy Informatics Review (2021-2023)
• Founding Vice-Chair, ACM SIGEnergy (2020-2023)
• TPC Member, AI and Climate Workshop, AAAI Fall Symposium Series (2022-2023)
• Assessor for promotion, Australian National University (2022)
• External assessor, PhD thesis, Nitin Awathare, IIT Bombay (2022)
• Member, University of Cambridge Restricted Bids Selection Committee (2020-2022)
• Member, Editorial Board, PVLDB (2020-2022)
• Systems Research Group: host of the weekly meeting and seminar series (2020-2022)
• TPC Member, IEEE ICBC (2018-2022)
• TPC Member, ACM e-Energy (2013-2022)
• Judge, Global AI Challenge for Building E&M Facilities, Electrical and Mechanical Services Department, Government of Hong Kong SAR (2021-2022)
• Referee for promotion to Professor, Hong Kong Polytechnic University (2021)
• Expert input to the appointment of an Assistant Professor (W1) in Machine Learning in Smart Markets, University of Cologne (2021)
• External MPhil examiner, Wenjie Xu, Chinese University of Hong Kong (2021)
• Co-General Chair, ACM SIGCOMM HotNets 2021
• Co-organiser, Dagstuhl seminar on “Towards Climate-Friendly Internet Research” (July 2021)
• Reviewer, Evaluation of the KIT Center Information Systems Technologies (2021)
• Member, thesis committee, Rebecca Ward, Department of Engineering, University of Cambridge (2021)
• Member, Executive Committee, ACM SIGCOMM (2008-2021, with a break from 2012 to 2013)
• Member, ACM Presidential Task Force on Virtual Conferences (2020-2021)
• Member, Faculty Board and Degree Committee (2019-2021)
• Reviewer, research proposal, University of Sharjah (2020)
• Vice-Chair, ACM EIG-Energy (2018-2020)
• External member of thesis committees: Scott Jeen, Luke Cullen, and Grace Colverd (Engineering); Matt Allen (Geography)

Significant service prior to 2019

• Associate Dean of Graduate Studies, Faculty of Mathematics, University of Waterloo (2015-17)
• Graduate Director, School of Computer Science, University of Waterloo (2013-15)
• General Chair, ACM eEnergy (2016)
• Chair, ACM SIGCOMM (2013-17)
• TPC Co-Chair, ACM eEnergy (2013)
• Editor, ACM SIGCOMM CCR (2008-2012)
• General Co-Chair, ACM SIGCOMM (2011)
• TPC Co-Chair, ACM Mobisys (2011)
• TPC Co-Chair, ACM CoNext (2009)