Harvest House Publishers Promotes Key Personnel Contact: Mary Cooper, Harvest House Publishers Phone: 541-343-0123 Email: mary.cooper@harvesthousepublishers.com Web: www.harvesthousepublishers.com Eugene, Oregon—03/30/15—Harvest House Publishers is announcing the promotion of two key managers for the purpose of better utilizing their strengths and creating greater efficiencies and productivity within the company.   The first of these changes is the promotion of Don Sage, Manager of Financial Operations, to Senior Director of Financial Operations. In his expanded role, Sage will handle additional corporate-level responsibilities including overseeing the newly renamed Implementation…