Master, Magdalene College, Cambridge
Master, Magdalene College, Cambridge (2020-); Judge, Iran-US Claims Tribunal (2018-); Bencher, Middle Temple (2003-)
Formerly: Judge, International Court of Justice, The Hague (2009-18); Barrister; Professor of International Law, London School of Economics (1996-2009); Fellow, Magdalene College, Cambridge (1978-96); Honorary Fellow (2009-2020)
An Honorary Governor (2020-), The Ditchley Foundation.