Declan McCavana challenges your preconceived notions on how to speak in public. Be it in a TED talk or any other talk, he teaches you the main rules you have to keep in mind to deliver a powerful speech. He reveals his secret ingredient so you too can think outside the box or, in this case, step outside the red circle. Join us on our website and on social networks: tedxecolepolytechnique.com/ www.facebook.com/tedxecolepolytechnique twitter.com/TEDxEP Declan McCavana is an Irish linguist and public speaker with a degree from the Trinity College Dublin. He has won the Irish national university debating championships four times. He’s the founder and president of the French Debating Association and senior lecturer at Ecole Polytechnique. Acclaimed by the university’s students, his talks tend to astound his crowd while maintaining a good dose of humor. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at ted.com/tedx