In 2004, Karl was inducted into the American Advertising Federation Hall of Fame and was presented his award that year in New York City.

In September 2001, the Outdoor Advertising Association presented Karl with the Lifetime Achievement Award. This very prestigious award is presented at the discretion of the OAAA Board of Directors and honors individuals who have made [...]

In 1997 Karl sold Eller Media Company to Clear Channel Communications of San Antonio. The name stays the same until 2001 when it officially changes to Clear Channel Outdoor. Karl remains President/CEO until he retires [...]

In 1995 Patrick Media was acquired by Eller Media and Hellman & Friedman Capital Partners. The name changes to Eller Media Company. Karl is Chairman/CEO and continues to build an outdoor advertising giant.

In 1992 Karl started back in the outdoor advertising business by purchasing 300 outdoor bulletins from Gannett Outdoor in the Phoenix market. Eller Media was started and from here he went on to build a [...]

In 1966 construction began on new offices and paint studios for Eller Outdoor Advertising. The new location was 2502 N. Black Canyon Freeway, just south of Thomas Road. They sat between a billboard (at this [...]