BBC World Service - Good Bad Billionaire

Ike Perlmutter: Marvel’s empire builder

Ike Perlmutter, the CEO who reinvented Marvel

How Disney star Selena Gomez became a billionaire beauty entrepreneur

Orlando Bravo failed to become a tennis pro, but private equity made him a billionaire

Vince McMahon turned professional wrestling into a global phenomenon

How did Markus Persson create Minecraft, the most successful computer game ever?

By reinventing reality TV, John de Mol made television history and a billion dollars

How a blocked vacuum cleaner led to a billion-dollar idea for inventor James Dyson

Martha Stewart, the homemaker who sold perfection to America

Revisiting the story of Chuck Feeney, a billionaire who gave it all away

A brief update after Taylor Swift's Eras tour ended, and another chance to hear her story