Mr. Wilson is the President of Armstrong Energy. From 1985 to 1988, Mr. Wilson was employed by KPMG Peat Marwick. From 1988 until 2005, Mr. Wilson served as President and Chief Operating Officer of D&K Healthcare Resources. Mr. Wilson currently serves on the Board of Trustees of the St. Louis College of Pharmacy and is a former member of the Board of Directors of Healthcare Distribution Management Association (HDMA).