Thought I would share this article. Certainly worth a read if you freeze in front of a crowd. Doesn't matter if it is an internal meeting or a seminar, stage fright can ruin any message you are trying to convey.

There are basically apps for any issue you may have with public speaking.  A lot of the apps have been designed for the professional in mind. For example, you can even get a teleprompter - the sort news readers rely on - if you keep drawing a blank.