Ms. Sheryl Underwood joins the GCFX family Posted on February 14, 2017November 22, 2017 by Ms. Sheryl Underwood joins the GCFX family and will be taking the helm on the morning show, weekdays from 6AM – 10AM!!! Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Posted in Announcements.