Peter is a barrister, practising principally in commercial and international law from Essex Court Chambers in London. He has appeared in a number of cases raising international law issues before the English Courts and before numerous international tribunals. Before starting practice as a barrister, he worked as a solicitor and as a Judicial Assistant at the UK Supreme Court. He holds an LL B (Hons, First Class) and Ph D from the University of Edinburgh, where he also taught for several years.