ABDULAZIZ F. AL KHAYYAL, Retired Senior Vice President of Industrial Relations of Saudi Arabian Oil Company (Saudi Aramco) (the world’s largest producer of crude oil); Senior Vice President of Industrial Relations of Saudi Aramco, 2007-2014; Director of Saudi Aramco, 2004–2014; joined the Halliburton Company Board in 2014; member of the Health,. Safety and Environment and the Nominating and Corporate Governance Committees. Former Chairman of the Board, PetroRabigh (2005-2012).