The founding partner and long-time head of the Clifford Chance international arbitration practice, past President of the ICC International Court of Arbitration responsible for significant reforms during his term of office (2009-2015) and first Chair of the reconstituted ICC UK Arbitration Committee, John is among the best-known arbitrators in the world. He serves on both commercial and investor-state arbitral tribunals, 'ad hoc' and under institutional rules, around the globe.