Mr. L.K. Tsang started his service to the local IT industry from 1981/82 where he was council member of the Hong Kong Computer Society. From there, he was council member for the following eleven years, serving as Education Chairman, Hon. Secretary, Hon. Treasurer etc.

At the same time, Mr. Tsang put up his effort to the training of young IT professionals. He served as Head of Department, in the Department of Computing at Hong Kong Institute of Vocational Education (ST).

Mr. Tsang was founding Chairman of the Hong Kong IT Joint Council, and was leader of the delegate to Beijing in 1996 to solicit an IT subsector in the HKSAR legco.

Mr. Tsang offered his services to the various local advisory committees, which includes the IT Infrastructure Advisory Committee and the Advisory Committee of the Privacy Commissioner's office. He is currently a member of the Public Affairs Forum of the HKSAR Government.