So, you’ve written a fabulous speech, with a powerful start and a strong ending. Your slides look great and you’ve practiced endlessly. Now, it’s the day of the big presentation and there’s a lot at stake. No matter how experienced you are, you'll go through a range of emotions. You could be nervous, anxious or super-excited. Adrenalin and cortisol will kick in. Your heartbeat will go up and your palms will get sweaty. So how you do prepare on the day of the presentation? How do you make sure you’re ready to give it your best shot?