BBC World Service - Good Bad Billionaire

Ronnie Screwvala: The cable guy

How Ronnie Screwvala changed the viewing habits of India

Larry Ellison is one of Silicon Valley’s most combative and controversial billionaires

Elizabeth Holmes's Silicon Valley dream became one of its biggest corporate scandals

How Peggy Cherng used engineering and orange chicken to create a fast-food empire

How Gymshark's Ben Francis went from pizza delivery boy to the UK’s youngest billionaire

It’s time to hear what you, our listeners, think of Elon Musk

How Lucy Guo went from college dropout to training the AI you use today

How David Geffen, the man behind your favourite music and movies, conquered Hollywood

How Spanx reshaped celebrity style and made Sara Blakely a billionaire

How Guy Laliberté reinvented the greatest show on earth