Simon Sinek teaches leaders and organizations how to inspire people. Sinek is the author of two books, "Leaders Eat Last: Why Some Teams Come Together and Others Don't" and "Start With Why: How Great Leaders Inspire Everyone to Take Action". He is a public speaker, an adjunct professor at Columbia University and a Brandeis University graduate. His TEDx video "How Great Leaders Inspire Action" is the #2 most popular TED video of all time and was the #1 most viewed TED Talk in 2012.