Ad agency SpotCo, which specializes in Broadway and live entertainment, has upped Tom Greenwald to exec creative director.Greenwald was formerly SpotCo’s creative director for broadcast and copy. He’ll expand his creative role in the new post, and serve as lead creative contact for clients. SpotCo prexy Drew Hodges said the promotion of Greenwald, with his experience in broadcast, underscores the growing prominence of TV and radio advertising in marketing strategies for Rialto fare. Also joining SpotCo is Ilene Rosen in the newly created position of director of business development. Rosen has been marketing director at the Public Theater for three years.