BBC World Service - Good Bad Billionaire

Martha Stewart: The original lifestyle influencer

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

How Peter Thiel made his fortune from huge tech companies then renounced Silicon Valley

How American businesswoman Doris Fisher and her husband founded a clothing empire

Mexican telecom company boss Carlos Slim Helú was once the richest person on Earth

How Russian oligarch Roman Abramovich got rich, then got sanctioned

How Indian multinational conglomerate boss Mukesh Ambani built Asia's biggest fortune

How Patrice Motsepe became the first black billionaire in post-apartheid South Africa

How Jack Ma brought ecommerce to China by creating online mega-platform Alibaba