If you are a confident public speaker, take today to write some brain teasers to help you with your pitch deck. If you struggle with public speaking, get some friends together in a comfortable but public place, such as a coffee shop or college commons, and give them your pitch. Then, do it again. And again. The best way to become a confident public speaker, which you will have to do at some point during your growth, is to practice speaking to a familiar group in public.