The name Gang of Four came from the Maoist political group in China, composed of four Chinese Communist Party officials who were prominent during the Cultural Revolution (1966–1976) and were later charged with treason.
[citation needed] In Papua New Guinea, the term began to be applied, initially in a fairly negative way, to four young public servants who headed four important government departments and played a coordinating role for policies and programmes between 1975 and the early 1980s.
He played an important role in the development of the country's mining industry and was PNG's ambassador to the European Union from 1991 to 1994 and high commissioner in Australia between 2005 and 2017.
As a member of the Gang of Four in the 1970s, Morauta led the post-independence process of building financial infrastructure in Papua New Guinea as secretary of finance.
Siaguru campaigned against corruption in Papua New Guinea and was the founder and first chairman of the Transparency International branch in the nation's capital, Port Moresby.