Hello Niamh, I'm a professional writer from the U.K. with a degree in English and over three years' experience. I would love to help you polish and structure your speech, so that it makes a real impact on your audience. Incidentally, I would propose asking a couple of 'questions', one at the beginning and one halfway through, once you've gone some way to changing the minds of your listeners.
Please see my reviews for information regarding the quality of my work and my professionalism. If you'd like to know anything further about me, please do not hesitate to get in touch. Many thanks for your time.