| Date of Birth : | 22 November 1947 |
| Place of Birth : | China |
| Religion : | ¢w |
| Name of Spouse : | LI Wai-kam |
| Number of Children : | 1 (one son) |
| Constituency : | Geographical Constituency - Hong Kong Island |
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| Education and Professional Qualifications : | Ph. D. |
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| Occupation : Lecturer, University of Hong Kong | |
| Political Affiliation : Democratic Party | |
| Public Service : | |
| * | Deputy Chairman, House Committee, Legislative Council |
| * | Vice Chairman, Democratic Party |
| * | Constitutional Affairs Spokesperson, Democratic Party |
| * | Social Welfare Deputy Spokesperson, Democratic Party |
| * | Vice Chairman, United Democrats of Hong Kong (1990-94) |
| * | Member, Legislative Council (1991-97) |
| * | Executive Committee, Hong Kong Alliance in Support of Patriotic Democratic Movements of China |
| * | Board Member, Society for Community Organization |
| * | Member, Education Action Group |
| * | Member, Social Welfare Advisory Committee |
| Office Add | ¡G |
Room 708, Wah Ching House Wah Fu Estate Hong Kong |
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| Office Tel | ¡G | 2555 8555 |
| Office Fax | ¡G | 2551 3000 |
| E-mail address | ¡G | ¢w |
| Home Page | ¡G | http://www.martinlee.org.hk/BiosYeungSun.html |
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