Liv Boeree made the wrong decision in the grand finale of a TV poker game show and lost £100 000. But it didn’t put her off, and she went on to become one of the all-time most successful female players in the world. Not only did she win nearly $4 million, she also developed a decision-making...

Karan Bilimoria was a Cambridge law student when he discovered that the UK just didn’t have the right beer for his favourite curry. Ignoring his degree and his family’s military background, he decided to solve the problem by setting up Cobra Beer when he was just 27. It went on to become one of...