CABLE

David Anderson, VP, communications, CNBC, Ft. Lee, N.J., joins Charter Communications, St. Louis, as senior VP, communications.

Ann Montgomery, executive VP of fulfillment services and operations, AT & T Broadband, Denver, joins Adelphia, Coudersport, Pa., as senior VP, operations.

Arthur R. Block, senior VP and senior deputy general counsel, Comcast Corp., Philadelphia, named senior VP and general counsel.