CSX Corporation announced that Mark Wallace has been appointed executive vice president sales and marketing and Diana Sorfleet has been appointed executive vice president and chief administrative officer. Wallace joined CSX in March 2017 as executive vice president corporate affairs and chief of staff and was named executive vice president and chief administrative officer in January 2018. Replacing Wallace as executive vice president and chief administrative officer will be Diana Sorfleet, currently CSX's chief human resources officer. Sorfleet will assume responsibility for information technology, human resources, labor relations, executive compensation and aviation. Kevin Boone, who previously reported to Wallace will continue as CSX's vice president corporate affairs and chief investor relations officer, and will assume responsibility for the corporate communications function reporting to James Foote. All three appointments are effective immediately.