TED Talk: Simon Sinek - How Great Leaders Inspire Action (Start With Why)

Simon Sinek has a simple but powerful model for inspirational leadership all starting with a golden circle and the question "Why?" His examples include Apple, Martin Luther King, and the Wright brothers.

https://www.youtube.com/watch?v=u4ZoJKF_VuA

For more powerful TED talks, follow these links and watch Thandie Newton, Amy Cuddy, Drew Dudley, Julian Treasure and Brene Brown