You don't have to wait until an authority grants you an opportunity before doing something you feel needs to be done.
An interview with Victoria Lioznyansky of ByVictoriaL.com
While people can feel comfortable putting together slides, people often don't know how to prepare a speech.
A lot of anxiety is in just getting started. So start strong.
Prepare presentations and speeches without using jargon as a crutch.
Go back to basics for presentations and public speaking. Tell a story.