Clear Channel Radio's digital guru, Evan Harrison, is exiting the company at the end of the year. For the past six years, Harrison, in his position as evp, online music and radio, helped shape the radio giant's digital strategy.

The news that Harrison was leaving to pursue other opportunities was revealed Wednesday (Aug. 24) in an internal memo to employees from John Hogan, president and CEO of CCR.

Hogan had nothing but high praise for Harrison, who developed and launched custom content for the radio station Web sites and mobile applications.

"Our digital team has made significant inroads in successfully building out the digital capabilities of our local brands with the positive consumer acceptance of iheartradio.com reaching 10 million unique person downloads this year. Additionally, each month 25 to 30 million highly engaged individuals visit our digital properties, where we offer advertisers truly integrated campaigns that include on-air, online, mobile and talent endorsements," Hogan wrote.

The company has initiated a search for a new exec to head up CCR's digital business.

Harrison will be delivering a keynote address at Billboard’s Mobile Entertainment Live: The Music App Summit, taking place Oct. 5 in San Francisco. He’ll be discussing not only Clear Channel’s mobile efforts, through such apps as iheartradio, but you can be sure we’ll ask him about his future plans and Clear Channel’s as well. Register now.