Prior to his time at CTA , he was the Assistant Secretary for Transportation Policy for the U.S. Department of Transportation .
He is now an Adjunct Faculty member at the University of Chicago 's Harris School of Public Policy .
Prior to Faculty member 's time at CTA , Faculty member was Faculty member   Secretary for Transportation Policy for the U.S. Department of Transportation .
He is now an Adjunct Faculty member at the University of Chicago 's Harris School of Public Policy .