She served a 20-year career with Reliant Energy, an independent power producer and marketer. She has also served in various financial management positions with the company including comptroller, vice president, senior vice president and chief accounting officer.

Larry Nichols, chairman and CEO of Devon, said: Mary Ricciardello’s financial expertise and energy industry experience make her a valuable addition to Devon’s board. We are very pleased that she has agreed to join Devon as a director and as a member of the audit committee.