Zhao Dong is a professor-level senior accountant with a doctor's degree. He previously served as Chief Financial Officer of China National Oil & Gas Exploration and Development Corporation (CNODC); Chief Financial Officer of PetroChina International Investment Company Limited; Vice President, Deputy Secretary of the Party Committee, Secretary of the Discipline Inspection Commission and President of the Trade Unions of CNPC Nile Company; President, Secretary of the Party Committee, Secretary of the Discipline Inspection Commission and President of the Trade Unions of CNPC Nile Company; President and the Deputy Secretary of the Party Committee of CNPC Nile Company; Chief Financial Officer of PetroChina Company Limited; Member of the Leading Party Member Group and Chief Accountant of Sinopec Group; Director of the Board and Deputy Secretary of the Leading Party Member Group of Sinopec Group.