Simon Sinek is a renowned author and speaker best known for popularizing the concept of "Why" in leadership and inspiring millions to find their purpose. His TED Talk on the topic is the third most watched of all time. Sinek is the author of several bestselling books, including "Start With Why," "Leaders Eat Last," "Together is Better," and "The Infinite Game." He works with leaders and organizations worldwide, helping them build stronger, more inspired cultures that achieve remarkable results.