Pair Force: Former iHeartMedia KTGX/Tulsa APD/MD/Afternoons Houston Gaither has joined Columbia as Mgr./Content & National Promotion. Joining in the same role at Arista is Beasley WKLB/Boston Coord./Promotions & Digital PD Helena Akhtar. Both will report to Sony VP/National Promotion Lauren Thomas. Gaither left KTGX last month after five years with the station (CAT 5/18). Akhtar has been with Beasley/Boston for more than five years. Reach Gaither here and Akhtar here.