Simon SinekSimon Sinek (born October 9, 1973) is a British-American author, motivational speaker, and leadership consultant. He is best known for popularizing the 'Golden Circle' theory, which emphasizes starting with 'Why' to inspire action. His TED Talk 'How Great Leaders Inspire Action' is one of the most-viewed of all time. Sinek has authored bestsellers like 'Start with Why' and 'The Infinite Game', focusing on leadership, teamwork, and organizational culture. His work has influenced businesses and leaders worldwide. more