Complex sentence: Prior to that, he served for five years as dean of the Rutgers Business School at Rutgers University, and from 1977 to 1993 was a faculty member in the Carlson School of Management at the University of Minnesota.
Split into simpler sentences: Prior to that, he served for five years as dean of the Rutgers Business School at Rutgers University. From 1977 to 1993, he was a faculty member in the Carlson School of Management at the University of Minnesota.