Class B. ,,, James R. Heekin III Chairman of McCann Erickson WorldGroup and director of Interpublic Interpublic Group ,, , ,. ,, Charles F. Dolan 회장 겸 이사 Cablevision Systems Corp. ,, 없음 CVC 클래스 A , CVC 클래스 B ,,. RMG f Class A , RMG Class B ,,.