Flint Rollers: Cumulus Urban AC WDZZ/Flint, MI PD August Wallace and Country WFBE (Nash FM) air personality Tim Shickles have been promoted to cluster OM and PD for 'FBE and Sports WTRX-AM, respectively. Shickles succeeds April Rose, who has been named Dir./Promotions for Cumulus' Flint and Saginaw, MI clusters. The OM position has been vacant. "Cumulus is fortunate to have such incredible talents working in our radio stations across the country and right here in Flint," says VP/MM Ed Leick. "It is my great pleasure to assist in moving these two fine broadcasters to the next level in their careers." Reach Wallace here, Shickles here and Rose here.