How did an accountant from Stoke-on-Trent gamble it all to become the world's highest paid woman? Denise Coates founded online betting company Bet365 and soon became a billionaire. BBC business editor Simon Jack and journalist Zing Tsjeng trace the journey of this elusive figure. Geographically she's not travelled far, becoming the biggest employer in her hometown of Stoke-on-Trent. But as a businesswoman she's dominated the online gambling market globally, earning an annual salary that peaked at £421 million. In the podcast that uncovers how the world's wealthiest people made their money and asks if they are good or bad for the planet, Simon and Zing judge the woman who made billions from betting.