Home > About > Directory > Faculty & Staff > Greg CostelloGreg Costello Controller – Business Office Department 507-344-7305 Old Main 206 Send a messageBioGregory W. Costello is a Controller in the Business Office department. Send a Message Your Name Your Email Message MenuFaculty & Staff DirectoryAcademic DepartmentsCampus DepartmentsStudent Directory (log-in)Contact BethanyCampus Maps