Focus on your friends more, the leadership expert and Optimism Company founder says on ‘From the Ground Up.’ Simon Sinek is obsessed with the power of friendship right now.

Simon Sinek is ... doesn't capture the why. The why really is based on the founder or founders. It's who you are as people. And the business you form, you form in your own image.

In 2005, Simon Sinek ’95 seemed to have it all: his own advertising and marketing business ... I don’t mean to make money — that’s a result. […] Why does your company exist?” Sinek argues that people ...

Your social circle might be the key to a long, happy life. That’s according to Simon Sinek, a best-selling author and ...

Leadership expert Simon Sinek is the author of Start With Why and Leaders Eat Last. He teaches leaders and organizations how to inspire people and is based in New York.

In 2009, Simon ... his talk, Sinek introduced the world to his theory of "How great leaders inspire action." Later that year, Sinek's 18-minute talk became his book, Start With Why.

While those factors are important, leadership expert and bestselling author Simon Sinek insisted ... confidence-boosting and, as Sinek asserted, can even improve your mental health and happiness.