He is responsible for NBC Advertising Sales , the NBC Owned Television Stations , Affiliate Relations , Network Research , Domestic Television Distribution , NBCUniversal Digital Entertainment and Special Events .
Harbert was appointed to his current position in 2011 , following Comcast 's acquisition of NBC Universal .
Harbert is responsible for NBC Universal Advertising Sales , the NBC Owned Television Stations , Affiliate Relations , Network Research , Domestic Television Distribution , NBC Universal     and Special Events .
Harbert was appointed to his current position in 2011 , following Comcast 's acquisition of NBC Universal .