By working with your breath, body...
And more specifically, your 'primal' voice. That is, the voice that comes out clear, strong and authentic... and sells ice to the Eskimos.
I use combination of tools; Meditation, Alexander technique, Feldenkrais, Yoga & Linklater Voice Method to help you;
Get out of your head
Into your body
Connect to your breath
And project your voice so that it hits your audience, builds emotion and takes them on a journey.
Which is the secret to commanding attention & making an impact.