Mr C Y Leung graduated from King's College Hong Kong; Hong Kong Polytechnic and Bristol Polytechnic UK. He has been awarded Honorary Doctorate degrees by four universities in the United Kingdom, Hong Kong and Shandong.

He was Chairman of the Royal Institution of Chartered Surveyors Hong Kong branch, President of the Hong Kong Institute of Surveyors.

Since the late 1970s, Mr Leung had participated in the land and housing reforms in the Mainland of China and helped prepare the first land sale in the Mainland after China's constitution was amended in 1988.

Between 1984 and 1997, Mr Leung held senior positions in the entire political transition to the establishment of the Hong Kong Special Administrative Region.

Between 1997 and 2011, Mr Leung was a member of the Executive Council of Hong Kong and was the Convenor of the non-official members between 1999 and 2011.

In March, 2012, Mr Leung was elected the fourth-term Chief Executive of the Hong Kong Special Administrative Region.  In March 2017, he was elected as a Vice Chairman of the National Committee of the Chinese People’s Political Consultative Conference.