He'll oversee hot adult contemporary WINC-FM, rocker WXBN, country WZFC, and news talk WINC-AM.
Roth, who most recently had been doing overnight traffic for Hubbard's WTOP, used to be director of technical operations and programming for Red Zebra and a senior technical consultant for Arbitron.
He'd also worked for Cumulus/Citadel.
Roth starts at Centennial on January 1.