N. W. Barber joined the Oxford Law Faculty in 1998, and has been a fellow of Trinity College since 2000. In 2013 he was appointed University Lecturer in Constitutional Law and in 2017 he was appointed Professor of Constitutional Law and Theory. He holds an MA and BCL from Oxford, and is a non-practising barrister and member of Middle Temple. He has lectured extensively on constitutional law and theory in many countries. He has published many papers in these areas, and his book, The Constitutional State (OUP, 2011) was widely reviewed.