WMMR (93.3 FM) – branded 93.3 WMMR – is a commercial active rock radio station licensed to Philadelphia, Pennsylvania, serving the Delaware Valley. Owned by Greater Media, WMMR is the home of Preston and Steve and radio personality Pierre Robert, and currently serves as the Philadelphia affiliate for The House of Hair with Dee Snider. The WMMR studios are located in Bala Cynwyd, while the station transmitter resides atop One Liberty Place.