He attended the University of Nebraska -- Lincoln , receiving a B.S. in business administration in 1971 , and went to work at McCollister & Co .
In 1966 , McCollister graduated from Westside High School in Omaha .
McCollister attended the University of Nebraska -- Lincoln , receiving a B.S. in business administration in 1971 , and went to work at McCollister & Co .
In 1966 , McCollister graduated from Westside High School in Omaha .