Ronald C. Mac Donald has served as the Company’s Senior Vice President of Marketing from the inception of Cornerstone. Mr. MacDonald’s transportation career spans 36 years starting with the L&N (now CSXT) Marketing Department in Louisville, KY. He has held various transportation Management positions with an Intermodal Truck Line in Cincinnati, OH and with another Intermodal Marketing Company in Memphis, TN. He received a Transportation Certificate and BS in Commerce from the University of Louisville.