She skateboards to work, has a skydiving license, and was the world’s youngest self-made female billionaire. Journalist Zing Tsjeng and BBC Business Editor Simon Jack tell the story of Lucy Guo and trace her trajectory to becoming one of the tech titans. From dropping out of college to join Peter Thiel’s Fellowship, to couch-surfing as a millionaire, they follow Lucy Guo's journey to found Scale AI, a company that trains artificial intelligence for giants like OpenAI’s ChatGPT, Google, and Microsoft.

Good Bad Billionaire is the podcast that explores the lives of the super-rich and famous, tracking their wealth, philanthropy, business ethics, and success. There are leaders who made their money in Silicon Valley, on Wall Street and in high street fashion. From iconic celebrities and CEOs to titans of technology, the podcast unravels tales of fortune, power, economics, ambition and moral responsibility. Simon and Zing put their subjects to the test with a playful, totally unscientific scorecard — then hand the verdict over to you: are they good, bad, or simply billionaires?

Here's how to contact the team: email [email protected] or send a text or WhatsApp to +1 (917) 686-1176. Find out more about the show and read our privacy notice at www.bbcworldservice.com/goodbadbillionaire

It’s time to hear what you, our listeners, think of Elon Musk. Journalist Zing Tsjeng and BBC business editor Simon Jack read your feedback to our Elon Musk episode: do you think he’s good, bad, or just another billionaire?

David Geffen is the money man behind Crosby, Stills and Nash, Guns N' Roses, Cher, Shrek, Gladiator, and even Cats the musical. Journalist Zing Tsjeng and BBC business editor Simon Jack tell the remarkable story of the Brooklyn boy who conquered Hollywood and became an entertainment mogul. From starting in a New York agency mailroom to the heart of Laurel Canyon’s hippie-rock scene, David Geffen rubbed shoulders with almost every major cultural figure of the 20th century. Joni Mitchel wrote a song about him, and Cher dated him. Then he moved from the music industry to movies, founding DreamWorks with Steven Spielberg and building one of the world’s most valuable art collections.

Sara Blakely grew up in Florida and dreamed of becoming a lawyer, but after failing the LSAT twice, she pivoted to sales and later entrepreneurship. Frustrated by uncomfortable hosiery, Blakely cut the feet off her tights and sparked an idea that would change fashion. With no formal business training, she cold-called hosiery mills and landed her first big break with Neiman Marcus, then with the Oprah Winfrey show. Spanx went from a scrappy startup to a billion-dollar brand that reshaped celebrity style and became a cultural phenomenon.

Journalists Zing Tsjeng and Simon Jack trace Sara Blakely's journey from selling fax machines to building Spanx into a global empire. They explore how she leveraged persistence, marketing, and risk-taking to disrupt an industry dominated by men - and what her story reveals about innovation, branding, and entrepreneurship.

Good Bad Billionaire is the podcast from the BBC World Service that explores the lives of the super-rich and famous, tracking their wealth, philanthropy, business ethics and success. There are business leaders who made their money in Silicon Valley, on Wall Street and in high street fashion. From iconic celebrities and CEOs to titans of technology, the podcast unravels tales of fortune, power, economics, ambition and moral responsibility. Simon and Zing put their subjects to the test with a playful, totally unscientific scorecard — then hand the verdict over to you: are they good, bad, or simply billionaires?

To contact the team, email [email protected] or send a text or WhatsApp to +1 (917) 686-1176. Find out more about the show and read our privacy notice at www.bbcworldservice.com/goodbadbillionaire

Guy Laliberté went from busking on the streets of Quebec to entertaining Hollywood celebrities and wearing a clown nose on the International Space Station. BBC business editor Simon Jack and journalist Zing Tsjeng tell the story of the Cirque du Soleil founder, and how he turned his passion for parties into a billion-dollar entertainment empire.

Elon Musk’s extraordinary rise, from a troubled childhood in apartheid-era South Africa to becoming the first person to amass half a trillion dollars.

BBC business editor Simon Jack and journalist Zing Tsjeng chart Elon Musk's journey to becoming a multi-billionaire entrepreneur: from tech giant PayPal, to revolutionising electric cars at Tesla, and launching rockets at SpaceX. But becoming the richest person in the world comes with plenty of boardroom drama and controversy.

Good Bad Billionaire is the podcast that explores the lives of the super-rich and famous, tracking their wealth, philanthropy, business ethics and success. There are leaders who made their money in Silicon Valley, on Wall Street and in high street fashion. From iconic celebrities and CEOs to titans of technology, the podcast unravels tales of fortune, power, economics, ambition and moral responsibility. Simon and Zing put their subjects to the test with a playful, totally unscientific scorecard — then hand the verdict over to you: are they good, bad, or simply billionaires?

We're taking a break over the next few weeks but we'll be back in the New Year with a host of new billionaires. You can still contact the team: email [email protected] or send a text or WhatsApp to +1 (917) 686-1176. Find out more about the show and read our privacy notice at www.bbcworldservice.com/goodbadbillionaire

Luciano Benetton rose from poverty in postwar Italy to found a chain of 7,000 high street fashion stores and create some of the most controversial advertising campaigns in history, becoming a billionaire along the way.

From a childhood marked by abuse and trauma, Tyler Perry worked whatever jobs he could to fund his self-written and produced play for six years: sometimes performing to an audience of just one. But then success literally came calling for the future billionaire, and kick-started his rise in showbiz.

Journalists Zing Tsjeng and Simon Jack explore how Tyler Perry’s faith, relentless work ethic, and deep understanding of his audience helped him defy critics and reshape Black entertainment. From the creation of his iconic Madea character to founding Tyler Perry Studios, the first Black-owned major film studio in the US, his story reflects the power of ownership and knowing your audience. As his friend and mentor Oprah Winfrey advised him, Perry made it his mission to "write his own cheques" and remain "fully in control".

Good Bad Billionaire is the podcast that explores the lives of the super-rich and famous, tracking their wealth, philanthropy, business ethics and success. There are leaders who made their money in Silicon Valley, on Wall Street and in high street fashion. From iconic celebrities and CEOs to titans of technology, the podcast unravels tales of fortune, power, economics, ambition and moral responsibility, before asking the audience to decide if they are good, bad, or just billionaires.

To contact the team, email [email protected] or send a text or WhatsApp to +1 (917) 686-1176. Find out more about the show and read our privacy notice at www.bbcworldservice.com/goodbadbillionaire

Lakshmi Mittal grew up in Kolkata, where he gained early experience in his father’s steel business before founding his own steel mill in Indonesia in his twenties. By adopting mini-mill technology and electric arc furnaces, Lakshmi Mittal produced steel more efficiently than traditional methods and began acquiring underperforming state-owned mills around the world, setting him on his path to becoming a billionaire.

Journalists Zing Tsjeng and Simon Jack trace his journey of entrepreneurship from one mill in Indonesia to leading ArcelorMittal, the world’s largest steelmaker. They explore how Lakshmi Mittal navigated a split from the family business, executed bold global acquisitions, and reshaped a fragmented industry into a profitable, consolidated powerhouse.

Good Bad Billionaire is the podcast that explores the lives of the super-rich and famous, tracking their wealth, philanthropy, business ethics and success. There are business leaders who made their money in Silicon Valley, on Wall Street and in high street fashion. From iconic celebrities and CEOs to titans of technology, the podcast unravels tales of fortune, power, economics, ambition and moral responsibility, before asking the audience to decide if they are good, bad, or just billionaires.

To contact the team, email [email protected] or send a text or WhatsApp to +1 (917) 686-1176. Find out more about the show and read our privacy notice at www.bbcworldservice.com/goodbadbillionaire

How Michael O’Leary, the outspoken CEO of Ryanair, turned a struggling regional airline into a €28 billion powerhouse by relentlessly cutting costs and embracing controversy.

BBC business editor Simon Jack and journalist Zing Tsjeng uncover how O’Leary - who neither founded Ryanair nor intended to work in aviation - redefined the airline industry. Through radical cost-cutting, lightning-fast plane turnarounds, and headline-grabbing stunts, he transformed the company into a disruptive, ultra-low-cost giant. From his early ventures to his rise as the face of budget flying, this episode charts how his bold tactics reshaped how millions travel across Europe.

Good Bad Billionaire is the podcast that explores the lives of the super-rich and famous, tracking their wealth, philanthropy, business ethics and success. There are leaders who made their money in Silicon Valley, on Wall Street and in high street fashion. From iconic celebrities and CEOs to titans of technology, the podcast unravels tales of fortune, power, economics, ambition and moral responsibility, before asking the audience to decide if they are good, bad, or just billionaires.