Simon Oliver Sinek is an author and motivational speaker on business leadership. He has written several best-selling books, including Start With Why, Leaders Eat Last, The Infinite Game ...

In 2005, Simon Sinek ... Now a best-selling author, inspirational speaker and leadership expert, he used his quest to recapture his own passion while helping others grow their businesses, manage ...

Today, leadership is a well-understood phenomenon. There are a variety of ways to take your leadership to the next level. Here are five extremely popular—and powerful—TED Talks that will help you do ...