Gary Vaynerchuk says it's one of the biggest things to which he attributes his success. Simon Sinek believes it's the most important instrument in a leader's toolbox. And Oprah Winfrey cites it as ...

In the high-stakes world of professional sports, I’ve often seen leaders feel the pressure to present themselves as infallible, unerring, and flawless. I’ve seen coaches act as if they needed everyone ...

Simon Sinek is a leadership expert and author of multiple best-sellers including “Leader Eat Last,” “Start with Why,” and most recently, “The Infinite Game.” He is also famous for his 2009 TED Talk, ...