John Orange possesses a wide breadth of experience in the oil and gas industry. He served as a senior executive for the BP group from 1967 to 1996, and is on the boards of various public and private exploration and production companies.

From 1998 to May 2011, Premier Oil benefited greatly from his contribution as the non-executive director, as did Exile Resources, of which he was Chairman from August 2009 to October 2010. He became a senior independent director of Vostok Energy in 2010, after serving as a trustee of the Butten Trust till 2007. He has a Law degree from Trinity College, University of Cambridge.