Simon Sinek: What makes great leaders - and bad ones

Bestselling author Simon Sinek's 18 minute presentation on how great leaders inspire action has been watched by more than 42m people. That makes it one of the three most popular Ted Talks of all time. The author of two highly acclaimed books has an army of social media followers. In this fascinating interview from 2016 we discover how Sinek spent his first five years in South Africa and still has family in the country - so not surprisingly closely followed Nelson Mandela whom he rates one of the most inspirational leaders of all time. - Alec Hogg