Organization Darwin Initiative

Coldstream Guards (second lieutenant | national service)

Foreign Office (1954)

Duchy of Lancaster (private secretary to the chancellor)

Overseas Development Administration (permanent secretary | 1984-1987)

United Nations (ambassador | permanent representative on the Security Council | 1987-1990)

Royal Geographical Society (president | 1990-1993)

Green College, Oxford (warden | 1990-1997)

Marine Biological Association (president | 1990-2001)

Sustainable Development (UK government panel | chair | 1994-2000)

University of Kent (chancellor | 1996-2006)