Professional activity

• Proposed and organised Numerical Relativity Beyond Astrophysics (ICMS, 11-15 July 2011)
• Initiated BritGrav conferences (annually since 2001):
  • BritGrav1 (Southampton)
  • BritGrav2 (Queen Mary London)
  • BritGrav3 (Lancaster)
  • BritGrav4 (Rutherford Laboratory)
  • BritGrav5 (Oxford)
  • BritGrav6 (Nottingham)
  • BritGrav7 (Cambridge)
  • BritGrav8 (York)
  • BritGrav9 (Cardiff)
  • BritGrav10 (Dublin)
  • BritGrav 11 (Glasgow, part of NPPD2011)
  • BritGrav12 (Southampton)
  • BritGrav13 (Sheffield)
  • BritGrav14 (Cambridge)
  • BritGrav15 (Birmingham)
  • BritGrav16 (Nottingham)
  • BritGrav17 (Oxford)
  • BritGrav18 (Portsmouth)
  • BritGrav19 (Durham)
  • BritGrav20 (University College Dublin) was cancelled because of covid-19
  • BritGrav21 (University College Dublin, online)
  • BritGrav21 (Glasgow, online)
• Organised New Directions in Numerical Relativity, Southampton August 2005.
• Regular refereeing for Physical Review and Classical and Quantum Gravity. American Physical Society "Outstanding Referee" award.
• Chaired parallel session B1 (Numerical Relativity) at GR18, Sydney July 2007.
• PhD supervisor of Ian Hinder (2005), David Hilditch (2008), Oliver Robertshaw (2010), Stephanie J Erickson (2015), Patrick Bourg (2020). MPhil supervisor of Chris Nunn (2006).
• External PhD examiner for Ian Hawke (Cambridge, 2001), David Brizuela (Universidad Autonoma de Madrid, 2009), Matthew Bohan (Leeds, 2009), Jean-Louis Cornou (CNRS, 2010), Alexander James (Imperial College, 2013).
• UCU (Universities and Colleges Union) contact in Mathematics (since 2013): Southampton UCU, national UCU.
• Member of the London Mathematical Society and the International Society on General Relativity and Gravitation (on the committee 2022-25).