Who is the president of Hong Kong?

Hong Kong is a Dependency and as such does not have a ruling president. After the British handover to China in 1997 Hong Kong became ruled by the People's Republic of China. In this agreement Hong Kong still retained its own legislative and judicial structure and became known as "one country, two systems". The chief government figure is Sir Donald Tsang Yam-Kuen (Donald Tsang), who is the Chief Executive of the Hong Kong Special Administrative Region, the elected head of government and the region's principal representative.
who is the president of hongkong?There is not a president there is a chief executive and he is called Donald Tsang