IE classes are small and students learn how to apply knowledge from top professionals. All IE faculty members have PhDs. They teach at Kettering because of their love of working with great students. A hallmark of this top nationally rated program is the way professors and students get to know each other.?One of the great things about IE is the flexibility of the program. Students can choose to take courses in areas such as robotics and manufacturing processes, safety and human factors, or design for manufacture and assembly. IE even offers formal concentrations in Quality Assurance and International Studies.