Jeff Davis is one of the heritage voices of WLS with a career there spanning over 40 years. After moving to LA, to focus on his successful career as a national voiceover talent, he also served as the afternoon personality on Star 98.7 in Los Angeles, still maintaining work with WLS AM as the station's voice. Jeff crafts the imaging for Radio and Television stations in all size markets. He also is a well-known narrator and voice for commercials. Jeff also hosted the live radio version of the Grammy Awards, national radio shows, including "On The Radio" and the "American Dance Traxx", both distributed by Westwood One."  Currently, he writes, produces and performs a daily radio feature called ‘Just a Thought’.

As an actor, he has appeared in six feature films. and done voice work for network television on CBS and VH-1, among others.

As a DJ, Jeff heard a song by a Chicago band on a jukebox. He asked the WLS music director if he could play it after discovering they were a Chicago band. He was allowed to play it twice and on the strength of continued WLS airplay, the band was able to secure a new recording contract. The band: Styx.