David Mueller is a radio DJ who has reportedly worked in the industry for 20 years.In June 2013, Mueller, then the host 98.5 KYGO's Ryno and Jackson morning show was invited backstage following a Red concert tour performance at Denver's Pepsi Center.
He previously worked in Minneapolis, Columbus and San Diego.
He was invited to a meet and greet with Taylor Swift in June, 2013, during the pop star’s RED tour.