Thamir Abbas Ghadhban is an Iraqi civil servant and politician. Thamir has specialised in the oil industry since the early 1970s. After the war in 2003 he became Chief Executive Officer of the Ministry of Oil, and in mid of the following year he served as Interim Oil Minister in the interim government headed by interim prime minister Ayad Allawi. In 2005 he became a Parliament member and the head of one of the six committees, his committee was in charge of writing chapter four: Powers of the Federal Authorities in the permanent constitution and one of three technocrats to draft Iraq's much debated oil and gas law, which is still waiting to be approved by the parliament. In late April 2006, there was strong speculation that he would again be appointed Minister of Oil, this time by the government of Nuri al-Maliki. In 2012 and 2016 he was nominated by Iraq to be secretary-general of OPEC. Up until early 2018 he served as the Chairman of the prime minister's advisory committee. In April 2016 he was awarded the Japanese Imperial Decorations the Order of the Rising Sun, Gold Star and Silver Star from His Imperial MajestyAkihito of Japan, in recognition of his contribution to developing economic relations and promoting mutual understanding between Japan and Iraq. On 24 October 2018, Mr Ghadhban returned to serve as Deputy Prime Minister for Energy and Minister of Oil of Iraq, this time as part of the newly approved government of Prime Minister Adil Abdul Mahdi.
At BPC worked in petroleum and reservoir engineering on oil fields in the south of the country, and then became head of the Petroleum and Reservoir Engineering department for several years until 1989.
1993-2001: Technical advisor to the Oil Ministry. During this period, ran numerous specialist committees responsible for conducting studies and producing plans, as well as committees negotiating with international oil companies for oil development or other projects.
2001-April 2003: Director General of Planning at the Oil Ministry.
From 3 May 2003: Chief Executive Officer of the Oil Ministry.
June 2004-May 2005: Minister of Oil under Ayad Allawi government.
30 January 2005: Elected to the National Assembly.
Author or co-author of more than 50 studies, patents, reports and technical papers as well as numerous papers and presentations on different aspects of the Iraqi oil industry presented on the occasion of international oil and gas conferences.
In 2000 OAPEC granted Thamir Abbas Ghadhban its Distinguished Science Award.