Marnie Black has been named SVP of public relations for AMC. She will oversee consumer publicity, working closely with AMC President and GM Charlie Collier and reporting to Ellen Kroner, EVP of communications for Rainbow Media. She replaces Theano Apostolou, who left in January to join Starz. Black, former professional opera singer, most recently ran her own communications firm with a client list including CNN, Comcast, Readers Digest, Interactive Advertising Bureau and NFL Networks. Before that, she was SVP of communications for MTV.