| 2002- | membre du comité scientifique, Annales bergsonniennes, Presses Universitaires de France |
| 1999-2002 | member, the Hong Kong Council for Academic Accreditation's Register of Subject Specialists |
| 1998- | External Adviser, General Studies Programme, Hong Kong Polytechnic University |
| 1998 | Chair of the Hong Kong Council for Academic Accreditation international revalidation panel for the General Education programme at Lingnan College (now Lingnan University) |
| 1997-99 | Head, Department of Philosophy, University of Hong Kong |
| 1997-2000 | Chairman, Hong Kong Rhodes Scholarship Selection Committee |
| 1996- | Chairman, Task Force to review the role of the School of General Education, Lingnan College |
| 1996 | Chairman, international panel to review the Department of Architecture, University of Hong Kong |
| 1995 | Chair of the HKCAA international revalidation panel for the General Education programme at Lingnan College |
| 1995- | Vice-Chairman, Board of Academic Awards, the University of Hong Kong |
| 1995-8 | Chairman, Committee on Higher Degrees, the University of Hong Kong, with responsibility for overseeing the conferment of research degrees in the whole University. There are currently some 2000 research degree students from 42 countries. I was not directly responsible for the support budget, but it amounted to some œ16M a year. |
| 1993-4 | Academic Staff Association representative on the Council Working Party on the Staff Terminal Benefits Scheme. This involved recommending modification to a scheme of some 3000 members, with a capital value of some œ200M, in the light of new legislation, affecting the interests of members, and the duties and responsibilities of the University as employer and of the Trustees of the Scheme. |
| 1993 | 34th International Congress of Asian and North African Studies, held in Hong Kong: member of the advisory committee, Chairman of the Programme Committee for West Asia and North Africa, and Chairman of a panel on Classical Islamic Philosophy and related topics. |
| 1993 | member of the planning Committee for Expo 2001, an œ8M public exhibition marking the University of Hong Kong's 80th anniversary, and organizer of an exhibit called `The Fourth Revolution' concerning the effect of technologies on learning (the four being writing, printing, recording, and information technology) |
| 1993- | member, European Journal of Philosophy Advisory Committee |
| 1993-95 | Vice-Chairman, Committee on Higher Degrees, HKU |
| 1993-95 | Vice-Chairman, Centre of Media Resources committee of management |
| 1993 | Member, HKCAA revalidation panel for the BSocSc (Hons) degree in Communication at Baptist College (now Baptist University) |
| 1992- | Principal Investigator, Hong Kong Research Council for IMPACT (say `Intelligent Multi-media Package for the Advancement of Creative and Critical Thinking': HK$1,000,000) |
| 1992-93 | Senate appointed member, Disciplinary Committee, The University of Hong Kong |
| to 1992 | member, Computer Network Advisory Group, The University of Hong Kong |
| 1991 | Visiting Professor (on a one-semester exchange), Virginia Polytechnic Institute and State University |
| 1991 | Member, Advisory Peer group for the `Arts and Social Sciences' programme, Open Learning Institute of Hong Kong |
| 1991 | Chairman, Hong Kong Council for Academic Accreditation international validation panel for the General Studies programme as part of proposed degree programmes at Lingnan College |
| 1990 | Chairman of the Academic Development Committee Working Party on the development of Combined and Joint Degrees in the University of Hong Kong |
| 1989 | Member, Joint Working Party of the Committee on Open Education and Extra-Mural Studies, The University of Hong Kong |
| 1988- | member, Hong Kong Rhodes Scholarship Selection Committee |
| 1989-90 | Member, Working Group on Cognitive Science Studies, The University of Hong Kong |
| 1988-9 | member of the University of Hong Kong ad hoc group `HELIC', formed to discuss Higher Education's Links with Industry and Commerce, and develop models of interaction to enable academics of all disciplines to spend periods in commercial and industrialm enterprises, in Hong Kong and world-wide. |
| 1988-90 | member, elected by Senate, of the University of Hong Kong newly formed Academic Development Committee |
| 1988-9 | member of a working party on Computer Assisted Learning appointed by the Computer Committee of the University of Hong Kong, The University of Hong Kong |
| 1988 | member of a working party on the selection of the University Library's computer system, The University of Hong Kong |
| 1988-93 | Senate member of the Computer Committee, The University of Hong Kong |
| 1987- | Principal Investigator, Strategic Research Grant for Microcomputer- Assisted Logic Learning |
| 1987 | member of the Vice-Chancellor's Working Group on Computer Technology and Information Processing, The University of Hong Kong |
| 1986 | Chairman of the organizing committee, China, the Chinese and the West, an international symposium to mark the 75th anniversary of the University of Hong Kong, organized by the Faculty of Arts |
| 1985 | honorary advisor, Institute of Further and Continuing Education, Hong Kong |
| 1985 | Visiting Professor, Barnard College, University of Columbia, New York |
| 1984- | Research Grant, for the preparation of an edition of the Essai sur les fondements de la psychologie, by Maine de Biran |
| 1984-86 | Chairman, Arts Faculty Working Party on Audio-Visual Facilities in the Main Building, The University of Hong Kong |
| 1984- | Fellow of St. John's College, The University of Hong Kong |
| 1984-89 | Chairman of the Committee of Management, Centre for Asian Studies, The University of Hong Kong |
| 1984 | member of the Senate Working Party on Visits by External Examiners for Higher Degrees by Coursework, The University of Hong Kong |
| 1984-86 | member, Hong Kong Selection Committee for Commonwealth Scholarships tenable in Hong Kong |
| 1983-87 | Public Orator, The University of Hong Kong |
| 1983-85 | member of the Senior Common Room Executive Committee, The University of Hong Kong |
| 1982 | Senate member of the Board of Selection, The University of Hong Kong [responsible for all academic appointments in the University from lecturer and above, and all senior non-academic appointments] |
| 1982-85 | External Examiner in the Arts Foundation Course, University of East Asia (Open College) |
| 1981-82 | member of the Senate's Committee on External Studies, The University of Hong Kong |
| 1981- | Acting Head of various other departments on various occasions, The University of Hong Kong |
| 1981- | Acting Dean of the Faculty of Arts on numerous occasions, The University of Hong Kong |
| 1980-87 | Committee on Higher Doctorates (member 1980-83, Vice-Chairman 1983-85, Chairman 1985-87), The University of Hong Kong |
| 1980-81 | Chairman, Faculty of Arts Joint Consultative Committee, The University of Hong Kong |
| 1980 | member, Committee on Research and Conference Grants, The University of Hong Kong |
| 1980 | Convenor of an Arts Faculty Working Party on Linguistics, The University of Hong Kong |
| 1980- | member of a research team appointed by the Centre National de Recherche Scientifique (Paris) to plan a new edition of the works of Maine de Biran |
| 1979-93 | Head, Department of Philosophy, University of Hong Kong |
| 1979-81 | External Examiner in Philosophy, University of St Andrews |
| 1974 | boursier du gouvernement fran‡ais |
| 1974 | British Academy European Exchange Fellowship |
| 1970-72 | External Examiner in Philosophy, University of Makerere, Uganda |
| 1970-71 | Acting Head of the Department of Philosophy, University of Khartoum |
| 1969 | member of a Joint Council and Senate Working Party of the University of Birmingham aimed at resolving the crisis of a student occupation |
| 1967-69 | member of Senate, University of Birmingham |
| 1968-69 | elected Sub-Dean of the Faculty of Arts, University of Birmingham |
| 1966-68 | resident member of the Senior Common Room of Mason Hall, a hall of residence for female students at Birmingham University |
| 1964 | member of the Wine Committee of St Antony's College, Oxford |
| 1964 | elected president of the Junior Common Room of St Antony's College, Oxford |
| 1963 | temporary lecturer in Philosophy, University of Birmingham |
| 1963 | boursier du gouvernement fran‡ais |
| 1962-65 | Senior Scholar of St Antony's College, Oxford, studying the B.Phil. and working mainly with Gilbert Ryle and G.E.L Owen, then transferring to the D.Phil. under the supervision of Alan Montefiore and Patrick Gardiner |
| 1960 | secretary of the Oxford University Musical Club and Union |
| 1958-62 | Scholar of Keble College, Oxford |