CIE is the creation of David G. Dwinell. He has been an owner operator, owned and operated a trucking company, presently operates a licensed brokerage. He is the author of the text books and the lead trainer for the Broker Office Training. Thousands of his bookas are in circulation and over 500 people and corporations have received his one week training program.

     The Books and Training reflect the internal operation and business activity of a transportation brokerage. This one-man brokerage that has enjoyed in excess of $1 million annual sales since 1981 - He is a graduate of the University of Wisconsin.