Regius Professor of Civil Law and Fellow of All Souls College 1989 -;
Director of Graduate Studies, Research 1996-2000.
Fellow University College London;
Hon. Fellow Trinity College Oxford;
Hon Sec SPTL 1989-1996;
Sec. Standing Conference on Legal Education 1991-1994.
Royal Academy of the Netherlands, 2001
SPTL: Vice-President 2001-02, President 2002-03