[8] Gao received a Bachelor of Arts (BA) in English language and literature from Soochow University in 1981,[9] then earned a Master of Arts (MA) in English language and literature from Beijing University of Foreign Studies in 1983.

[7] He was also a member of the Ministry of Foreign Affairs from 1983 to 1989 at the United Nations Secretariat in New York, and then was a policy adviser for the Hong Kong Securities and Futures Commission in 1999–2000.

[18] He supports the National Security Law and the continued integration of Hong Kong into China.

I can bet you, in the heat of battle no one will pause – and the safe approach is to target Australia as a nuclear-armed country.

"[25] In February 2022, Gao claimed on the Australian 60 Minutes Australia program that the Chinese tennis player Peng Shuai could not have been raped by a CCP official because of her physical athleticism as a professional athlete and said that "she can defend herself in front of whatever man or person in China".

"[28] Gao believes that the enlargement of NATO and potential missile defense system emplacements were the cause of the Russian invasion of Ukraine.

According to the South China Morning Post "He said the same scenario could occur between England and Scotland, if a country like Russia wanted to deploy nuclear weapons on Scottish territory.