The ruler of Saudi Arabia, King Abdullah bin Abdulaziz al-Saud, has appointed a new board of directors for state-energy giant Saudi Aramco, changing two members of the 12-man team.

David O’Reilly, the former chief executive and chairman of US energy major Chevron Corporation and Amin Nasser, senior vice president for exploration and production at Aramco, are the latest additions to the board, Aramco said in a statement.

They replace outgoing directors James Kinnear, the former president and chief executive of Texaco, and Abdallah Jumah, the former Aramco chief executive who stepped down in January 2009 to be replaced by Khalid al-Falih, already a member a member of the board from his previous position as senior vice president for industrial relations.

Aramco’s board is appointed on a rolling, three-year basis. Abdullah named the previous membership in September 2007, and a new set of directors will be selected in August or September 2013.

The members of the board are:

• Ali al-Naimi, Saudi Arabian petroleum and mineral resources minister – chairman of the board
• Ibrahim al-Assaf, Saudi Arabian finance minister
• Mohammed al-Suwaiyel, president, King Abdullah City for Science & Technology
• Abdulrahman al-Tuwaijri, chairman, Saudi Arabia Capital Markets Authority, secretary-general, Supreme Economic Council
• Khaled al-Sultan, rector, King Fahd University of Petroleum and Minerals
• Mark Moody-Stuart, former chairman, Shell Group (UK/Dutch),  non-executive chairman, Anglo-American (US)
• Peter Woicke, former president of International Finance Corporation, managing director of the World Bank (both Washington-based)
• David O’Reilly
• Khalid al-Falih, president, chief executive, Saudi Aramco
• Abdulaziz al-Khayyal, senior vice president, industrial relations, Saudi Aramco
• Salim al-Aydh, senior vice president, engineering and project management, Saudi Aramco
• Amin Nasser, senior vice president, exploration and production, Saudi Aramco