Mr. Cheung has been in the education industry for nearly 50 years. He has served as the principal of aided primary schools for nearly 20 years. During this period, he was the chairperson of Hong Kong Aided Primary School Heads Association. He has extensive school management experience and a comprehensive understanding of education reform and development. In recent years, he has been committed to promoting educational exchanges and cooperation between Hong Kong and mainland China, and actively promoting the integration of education in the Greater Bay Area.