The Leo Burnett Building, located on 35 West Wacker Drive at North Dearborn Street in the Chicago Loop, is a 50 story, 635 foot (193 m) tall skyscraper above the Chicago River's west bank. When built in 1989, it was the 12th tallest structure in Chicago. It was designed by Kevin Roche-John Dinkeloo and Associates and Shaw & Associates. It is a postmodern design made with granite, masonry, glass, steel and concrete.