Mr Davidson has continuously practiced law since 1973, most recently as a member of the Davidson & Shear firm. From 1999 until 2007, Mr Davidson was a partner in the business and finance department of Ballard Spahr Andrews & Ingersoll.

Raj Rajeswaran, president of Sentry Petroleum, said: Roger Davidson enjoys an outstanding reputation in the field of US securities law. As an executive director Roger will provide important counsel, particularly on mergers and acquisition transactions as we implement our development strategy. As vice president of corporate affairs, he will be responsible for ensuring the company fulfills its compliance obligations with the various regulatory bodies.