'By being taught that they must speak softly and in a higher pitch, women are too often delegated to a position where they are quite literally not heard and certainly not listened to. Through breath support and tonal focus, women can access the natural vocal power we are all born with.'

In the Ithaca College theatre programme, Mulligan works with actors to develop their voices for the rigours of stage performance.

In recent years she has brought her vocal training to non-actors as well, as a way of giving confidence to and empowering those who do not feel they have a voice.