- Honorary Fellow, All Souls College (from 2011 to 2016)
- Distinguished Fellow, All Souls College (from 1983 to 2011)
- Chancellor, Bristol University (from 1989 to 2003)
- Warden of Winchester College (from 1987 to 1997)
- Non-Executive Director, Bank of England (from 1993 to 1997)
- Deputy Chairman (1975-7) and Chairman (1977-93), Lloyds Bank Ltd (from 1975 to 1993)
- Chairman, Committee of London Clearing Bankers (from 1980 to 1982)
- Chairman, Deputies of Committee of Twenty, IMF (from 1972 to 1974)
- Alternate Governor for UK of IMF (from 1966 to 1972)
- Executive Director, Bank of England (from 1965 to 1972)
- Fifty Pound, All Souls College (from 1961 to 1968)
- Prize Fellow All Souls College (from 1953 to 1960)
- Undergraduate at New College (Hon. Fellow, 1979) (from 1949 to 1953)
- Chess Problems: Tasks and Records (London: Faber and Faber, 1995; 2nd edn. 2001).
- Chairman, GBA (from 1994 to 1999)
- Director, Zeneca (from 1993 to 1999)
- Vice-President, BITC (from 1992 to 1998)
- President, CIB (from 1992 to 1993)
- President, Classical Association (from 1989 to 1990)
- Honorary Member, Lombard Association (1989)
- President, Banking Federation of EC (from 1988 to 1990)
- Chairman, Per Jacobsson Foundation (from 1987 to 1999)
- Member, Council of Lloyds (from 1987 to 1998)
- Member, British Selection Committee, Harkness Fellowships (from 1986 to 1990)
- President, British Overseas Cnf. (from 1985 to 1986)
- President, Institut Internationales d’Etudes Bancaires (from 1982 to 1983)
- Director, ICI (from 1981 to 1993)
- President, London Forex Association (from 1978 to 1991)
- Freeman, City of London (1978)
- Member, NEDC (from 1977 to 1981)
- Chairman, City Arts Trust (from 1976 to 1979)
- Chairman of Trustees, Beit Memorial Fellowship for Medical Research (from 1976 to 2003)
- Governor, Henley Management College (from 1966 to 1985)
- Director, Legal and General Assurance Society (1964, 1975-87)
