BP has appointed Paula Rosput Reynolds and Sir John Sawers as non-executive directors with immediate effect, the company said in a news release.

Reynolds has more than 25 years of experience in the energy sector, including as president and CEO of AGL Resources. Sawers has had long experience in government, most recently as chief of the U.K. Secret Intelligence Service (MI6) and is now chairman of Macro Advisory Partners.

Reynolds began her career as an economist before joining the energy sector serving in a variety of operational and corporate roles, including at the Duke Energy Corp. and the Pacific Gas and Electric Co. She also has served as a non-executive director of Anadarko Petroleum Corp.

Reynolds was chair, president and CEO of Safeco Corp., a U.S. insurance company, until its acquisition by Liberty Mutual Group in 2008, the release said. She was then appointed vice chairman and chief restructuring officer of American International Group Inc. (AIG), overseeing the company’s divestiture of assets and serving as chief liaison with the Federal Reserve Bank of New York.

Reynolds currently serves as a non-executive director of BAE Systems, TransCanada Corp. and Delta Airlines where she will be stepping down shortly, according to the release. She is also chairman of the Board of Trustees at the Fred Hutchinson Cancer Research Centre. She was previously a non-executive director of Coca-Cola Enterprises Inc. and of Air Products and Chemicals Inc.

Sawers spent 36 years working for the British government in international affairs and security. He completed his five year tenure as chief of MI6, the U.K. Secret Intelligence Service, in November 2014, the release said. Prior to that, he was the U.K.’s ambassador to the United Nations, political director of the Foreign Office, special representative in Iraq, ambassador to Egypt and foreign policy advisor to the prime minister. In his early career, he worked in the Middle East, South Africa and Washington.

He is now chairman and partner of Macro Advisory Partners LLP. He is also a visiting professor at King’s College London and a governor of The Ditchley Foundation.