[2][3] In December 2003, he chaired the OPEC's annual conference in Vienna, Austria, and served as head of Qatar's delegation.

[9] On 30 June 2009, at the eight ministerial meeting of the Gas Exporting Countries Forum in Doha, Attiyah was elected as the chairman of the organization.

[10][11][12] Although Gas Exporting Countries Forum has seen by some experts as an attempt to form 'gas-OPEC', Attiyah ruled out a creation of OPEC-like cartel.

[14] In 2011, Attiyah was appointed head of Emir Hamad Al Thani's office and president of the Qatar Administrative Control and Transparency Authority.

[18] In 2007, London-based the British Petroleum Intelligence Bulletin chose Attiyah as the Man of the Year in the field of development of hydrocarbon industry.