Mr Williams, who joined Noble in September 2006 as senior vice president of business development of Noble Drilling Services, was named senior vice president of operations of Noble Drilling Services in January 2007, and became senior vice president and COO of Noble Corporation in April 2007.

Mr Williams has 28 years of energy industry experience and prior to joining Noble, served as executive vice president of Diamond Offshore Drilling.

William Sears, Noble Corporation’s former interim chairman, CEO and president, said: I am pleased that David Williams is the new leader of our company. With David and the Noble team, I am confident the company will continue to achieve the high levels of performance and growth for which Noble is well known.