SIMON SINEK is an optimist, teacher, writer, and worldwide public speaker. His first three books - Start With Why, Leaders Eat Last, and Together is Better - have been national and international bestsellers. His first TED talk, based on Start With Why, is the third most-viewed TED video of all time. Learn more about his work and how you can inspire those around you at StartWithWhy.com. PETER DOCKER is a former senior Royal Air Force pilot turned leadership consultant and executive coach. DAVID MEAD has presented to over 80 organizations in a wide variety of industries and co-hosts the Start With Why podcast.