Denver’s Karsh Hagan has been tapped by Denver International Airport to handle the airport’s advertising, marketing and creative services for the next five years.

The $15 million deal is aimed at strengthening the DIA brand and includes all of the airport’s strategic advertising, marketing and media placement.

DIA is the 18 th busiest airport in the world and the sixth busiest in the U.S. Most of the money for the account will come from the airport’s Joint Marketing Fund, which is paid for by airport…