— Donlen Corporation announced the promotion of Pat Mazzone to re-gional vice president of client relations. Mazzone will operate predominantly in the Midwest, managing and strengthening Donlen’s relationships with its customers. The new position will report to Roger Setzke, Donlen’s vice president of client relations.In his new position, Mazzone also will mentor account executives. Mazzone, a graduate of Loyola University in Chicago, has over two decades of customer relations experience in the fleet manage-ment industry. He came to Donlen more than 16 years ago, moving from customer service represen-tative to team leader, and later to director of customer service. He then worked for more than five years as an account executive in the client relations team.