OGE Energy Corp. announced that J. Michael Sanner has been appointed to the company's board of directors and as a member of its audit committee and nominating and corporate governance committee, effective Sept. 1, 2017. Mr. Sanner's term will expire at the company's 2018 annual shareholders' meeting at which time he will stand for re-election by the company's shareholders. Sanner, 64, retired as an audit partner from Ernst & Young LLP after serving as office managing partner in multiple offices. Sanner has also served on a variety of community, charitable and professional organizations.