FORT WAYNE, Ind., Aug. 21, 2012 /PRNewswire/ -- Steel Dynamics, Inc. (NASDAQ-GS: STLD), today announced that on August 16, 2012, its board of directors, upon the recommendation of its Corporate Governance and Nominating Committee, appointed James A. Trethewey and Traci Dolan to the company's board of directors. Mr. Trethewey's appointment fills a vacancy created at the end of December 2011, with the passing of former Lead Director Joseph D. Ruffolo. The appointment of Ms. Dolan fills a vacancy created by the health-related resignation on August 16, 2012 of long-time director, Richard J. Freeland. Both appointments are for the balance of a one year term, expiring at the company's annual shareholders meeting in May 2013. The appointments bring the total number of directors back to eleven members. James A. TretheweyJim Trethewey, 68, comes to the Steel Dynamics board following a forty year career in the iron ore and coal mining industry, thirty-five of which he spent with Cliffs Natural Resources. Mr. Trethewey's responsibilities at Cliffs encompassed both domestic and international business affairs, most recently as Senior Vice President of Business Development, where he was involved in the conversion of the company from its former principal identity as a domestic iron ore mine management company to an international merchant company focused on iron metallic and steel-related products such as metallurgical coal. Earlier, as Cliffs' Vice President, Administration from 1997 to 2000, Mr. Trethewey was responsible for information technology, purchasing, safety, environmental affairs and energy management, and before that he served as Cliffs' Vice President Controller and Principal Accounting Officer. Mr. Trethewey is currently a partner and Chief Executive Officer of DJD Investments, Cleveland, Ohio, a real estate management company. He holds a Bachelor of Science Degree from Michigan Technological University (1967) and a Master's Degree in Business Administration from Wallace College (1981). Mr. Trethewey serves as a board member of the Journey of Hope (cancer treatment services) and Friends Helping Friends, and is a member of Michigan Technological University's Board of Trustees and a member of its National Advisory Board to the School of Business and Economics. He is a resident of Rotonda West, Florida. It is expected that Mr. Trethewey will serve as an independent director member of the company's Audit Committee and its Corporate Governance and Nominating Committee.