People I (Mostly) Admire

She’s the C.E.O. of Zoox, an autonomous vehicle company. Steve asks Aicha about the big promises the A.V. industry hasn’t yet delivered — and the radical bet Zoox is making on a driverless future. Plus, Steve wants to know how she’s maintained her spark. This episode originally aired on August 6th, 2021.

Steve continues his conversation with his good friend, MacArthur “Genius Grant” recipient, and fellow University of Chicago economist. Sendhil breaks down the hypothesis of his book Scarcity, explains why machines aren’t competition for human intelligence, and tells Steve why it’s important to appreciate other people’s good ideas before developing your own. This episode originally aired on July 30th, 2026.

He’s a professor of computation and behavioral science at the University of Chicago, MacArthur “Genius Grant” recipient, and author. Steve and Sendhil laugh their way through a conversation about the importance of play, the benefits of change, and why we remember so little about the books we’ve read — and how Sendhil’s new app solves this problem. This episode originally aired on July 23rd, 2021.

In this interview, Steve talks with the former top adviser to presidents Clinton and Obama, about his record — and his reputation. And Rahm explains that while he believes in the power of the federal government, as former mayor of Chicago, he says that cities are where problems really get solved. This episode originally aired on March 2, 2020 on Freakonomics Radio, and again on July 16th, 2021st on People I Mostly Admire.

He’s been an Arctic scientist, a sports journalist, and is now a best-selling author of science books. His latest, Range: Why Generalists Triumph in a Specialized World, makes the argument that early specialization does not give you a head start in life. David and Steve talk about why frustration is a good sign, and why the 10,000-hour rule is definitely not a rule. This episode originally aired on July 9th, 2021st.

She used to run a behavioral unit in the Obama administration, and now has a similar role at Google. Maya and Steve talk about the power (and limits) of behavioral economics and also how people respond to change — the topic of her new podcast A Slight Change of Plans. This episode originally aired on July 2nd, 2021.

He’s the C.E.O. of the United States Anti-Doping Agency (USADA), which, under his charge, exposed the most celebrated American cyclist as a cheater. And Steve’s been studying cheaters for the last 25 years, so he’s also excited to talk to Travis about the incentives to cheat and the advances in testing technology — and offers his services as an anti-doping data detective for the sport of horse racing. This episode originally aired on June 25th, 2021.

She’s the author of the bestselling book Grit, and a University of Pennsylvania professor of psychology — a field Steve says he knows nothing about. But once Angela gives Steve a quick tutorial on “goal conflict,” he is suddenly a fan. They also talk parenting, self-esteem, and how easy it is to learn econometrics if you feel like it. This episode originally aired June 18, 2021.

He’s an economist who studies even weirder things than Steve. They discuss whether economics is the best of the social sciences, and why it’s a good idea to get a tattoo of a demand curve on your bicep. This episode originally aired on June 11th, 2021.

The African-born economist has written four bestselling books, including Dead Aid, which Bill Gates described as “promoting evil.” In her new book about corporate boards, Dambisa uses her experience with global corporations to explore how they can better meet society’s demands. And she explains to Steve why, even as a Harvard and Oxford-educated economist, her goal in life might sound “a little bit like a Miss America pageant.” This episode originally aired on June 4th, 2021.

Levitt rarely interviews advocates, but the founder of the Good Food Institute is different. Once an outspoken — and sometimes outlandish — animal-rights activist, Bruce has come to believe that market-driven innovation and scientific advancement are the best ways to reduce global meat consumption. Steve and Bruce talk about the negative externalities of factory-farmed meat, and why Bruce gave up antics like streaking at Buckingham Palace. This episode originally aired on May 28th, 2021.

As a neuroscientist and psychology professor at Columbia University who studies the immediate and long-term effects of illicit substances, Carl Hart believes that all drugs — including heroin, methamphetamines, and cocaine — should be legalized. Steve talks to Carl about his new book, Drug Use for Grown-Ups, and Carl tells Steve why decriminalizing drugs is as American as apple pie. This episode originally aired on May 21st, 2021.

Nobel laureate, best-selling author, and groundbreaking psychologist Daniel Kahneman is also a friend and former business partner of Steve’s. In discussing Danny’s new book Noise: A Flaw in Human Judgment, the two spar over inconsistencies in criminal sentencing and Danny tells Steve that “Your attitude is unusual” — no surprise there. This episode originally aired on May 14th, 2021.

He’s one of the world’s leading competitors, having won four U.S. memory tournaments and holding the record for most names memorized in 15 minutes (235!). But Nelson Dellis claims he was born with an average memory and that anyone can learn his tricks. Steve gives Nelson’s techniques a shot, without much hope — and is surprised by the result. This episode originally aired on May 7, 2021.

He’s a cognitive neuroscientist and philosopher who has written five best-selling books. Sam Harris also hosts the Making Sense podcast and helps people discover meditation through his Waking Up app. Sam explains to Steve how to become spiritual as a skeptic and commit to never lying again. This episode originally aired on April 30, 2021.

Amaryllis Fox is a former C.I.A. operative and host of the Netflix show The Business of Drugs. She explains why intelligence work requires empathy, and she soothes Steve’s fears about weapons of mass destruction. This episode originally aired on April 16th, 2021 and was replayed on January 14th, 2022.

Steve Levitt is obsessed with golf — and he’s pretty good at it too. As a thinly-veiled ploy to improve his own game, Steve talks to two titans of the sport: Greg “The Shark” Norman, who was the world’s top-ranked golfer for more than six years; and Mark Broadie, a Columbia professor whose data analysis changed how pros play the game. This episode originally aired on March 9th, 2021.

Khan Academy grew out of Sal Khan’s online math tutorials for his extended family. It’s now a platform used by more than 115 million people in 190 countries. So what does Khan want to do next? How about reinventing in-school learning, too? Find out why Steve nearly moved to Silicon Valley to be part of Khan's latest venture. This episode originally aired on April 2nd, 2021.

He’s the chief creative officer of Pixar, and the Academy Award-winning director of Soul, Inside Out, Up, and Monsters, Inc. Pete Docter and Steve talk about Pixar’s scrappy beginnings, why it costs $200 million to make an animated film, and the movie moment that changed Steve’s life. This episode originally aired on March 26th, 2021.

He’s a law professor with a Ph.D. in economics and a tendency for getting into fervid academic debates. Over 20 years ago, he and Steve began studying the impact of legalized abortion on crime. John and Steve talk about guns, the death penalty, the heat they took from their joint research, and why it’s frustratingly difficult to prove truth in the social sciences. This episode originally aired on March 19th, 2021.

At 27— and without a college degree — she was named chief technology officer of the Department of Veterans Affairs. Today, Marina Nitze is trying to reform the foster care system. She tells Steve how she hacked the V.A.’s bureaucracy, opens up about her struggle with Type 1 diabetes, and explains how she was building websites for soap opera stars when she was just 12 years old. This episode originally aired on March 12th, 2021.

He’s one of the world’s leading neuroscientists, with a focus on the physiological effects of stress. (For years, he spent his summers in Kenya, alone except for the baboons he was observing.) Steve asks Robert why we value human life over animals, why he’s lost faith in the criminal-justice system, and how to look casual when you’re about to blow-dart a very large and potentially unhappy primate. This episode originally aired on March 5th, 2021.

In addition to publishing best-selling books about pregnancy and child-rearing, Emily Oster is a respected economist at Brown University. Over the course of the pandemic, she’s become the primary collector of data about Covid-19 in schools. Steve and Emily discuss how she became an advocate for school reopening, how economists think differently from the average person, and whether pregnant women really need to avoid coffee. This episode originally aired on February 26th, 2021.

He’s a world-renowned magician who’s been performing since he was seven years old. But Joshua Jay is also an author, toy maker, and consultant for film and television. Steve Levitt talks to him about how magicians construct tricks, how Joshua’s academic studies of magic have influenced Levitt’s life, and whether Jesus might have been a magician. This episode originally aired on February 19th, 2021.

He’s a former World Bank economist who became a prolific journalist and the author of one of Steve Levitt’s favorite books, The Undercover Economist. Tim Harford lives in England, where he’s made it his mission to help the public understand statistics. In their conversation, Steve gives Tim some feedback on his new book, The Data Detective, contemplates if it’s possible to tell great stories with data, and Tim explains how making mistakes can be fun. This episode originally aired on February 12th, 2021.

He has been a lawyer, an instructor at the F.B.I. Academy, the owner of a frozen-yogurt chain, and a winner of the TV show Survivor. Today, Kwon works at Google, but things haven’t always come easily for him. Steve Levitt talks to Kwon about his debilitating childhood anxieties, his compulsion to choose the hardest path in life, and how Kwon used game theory to stage a victory on Survivor. This episode originally aired in two parts on January 29th and February 5th, 2021 and was updated on April 4th, 2025.

She is one of the best basketball players ever. She’s won multiple championships, including four Olympic gold medals and four W.N.B.A. titles — the most recent in 2020, just before turning 40. She also helped negotiate a landmark contract for the league’s players. Sue Bird tells Steve Levitt the untold truth about clutch players, her thoughts about the pay gap between male and female athletes, and what it means to be part of the first gay couple in ESPN’s The Body Issue. This episode originally aired on January 22nd, 2021.

For many economists — Steve Levitt included — there is perhaps no greater inspiration than Paul Romer, the now-Nobel laureate who at a young age redefined the discipline and has maintained a passion for introducing new ideas to staid debates. Levitt finds out what makes Romer a serial “quitter,” why you can’t manufacture big ideas, and what happened when Romer tried to start a charter city. This episode originally aired on January 8th, 2021.

She might not be a household name, but Suzanne Gluck is one of the most powerful people in the book industry. Her slush pile is a key entry point to the biggest publishers in the U.S., and the authors she represents have sold more than 100 million books worldwide. Steve Levitt talks with Gluck — his own agent — about negotiating a deal, advising prospective authors, and convincing him to co-write Freakonomics. This episode originally aired on December 25th, 2020.

He’s been an engineer, a surgeon, a management consultant, and even a boxer. Now he’s a physician focused on the science of longevity. Peter Attia talks with Steve Levitt about the problem with immortality, what’s missing from our Covid response, and why nicotine is underrated. This episode originally aired on November 27th, 2020.

She showed up late and confused to her first silent retreat, but Caverly Morgan eventually trained for eight years in silence at a Zen monastery. Now her mindfulness-education program Peace in Schools is part of the high-school curriculum in Portland, Ore. Steve Levitt finds out what daily life is like in a silent monastery, why teens find it easier than adults to learn meditation, and what happy children can teach their parents. This episode originally aired on November 13th, 2020.

He graduated high school at 14, and by 23 had several graduate degrees and was a research assistant with Stephen Hawking. He became the first chief technology officer at Microsoft (without having ever studied computer science) and then started a company focused on big questions — like how to provide the world with clean energy and how to optimize pizza-baking. Find out what makes Nathan Myhrvold’s fertile mind tick, and which of his many ideas Steve Levitt likes the most. This episode originally aired on October 30th, 2020.

She was the sixteenth employee at Google — a company once based in her garage — and now she's the C.E.O. of its best-known subsidiary, YouTube. But despite being one of the most powerful people in the tech industry, few outside of Silicon Valley know the name Susan Wojcicki. Levitt talks with her about the early days of Google, how her background in economics shapes the company's products, and why YouTube's success has created a range of unforeseen and serious issues. This episode originally aired on October 16th, 2020.

It was only in his late twenties that America’s favorite brainiac began to seriously embrace his love of trivia. Now he holds the “Greatest of All Time” title on Jeopardy! Steve Levitt digs into how he trained for the show, what it means to have a "geographic memory," and why we lie to our children. This episode originally aired on October 2nd, 2020.

The dean of Yale’s School of Management grew up in a small village in Guyana. During his unlikely journey, he has researched video-gaming habits, communicable disease, and why so many African-Americans haven’t had the kind of success he’s had. Steve Levitt talks to Charles about his parents’ encouragement, his love of Sports Illustrated, and how he talks to his American-born kids about the complicated history of Blackness in America. This episode originally aired on September 18th, 2020.

She’s best known for playing neurobiologist Amy Farrah Fowler on The Big Bang Theory, but the award-winning actress has a rich life outside of her acting career, as a teacher, mother — and a real-life neuroscientist. Steve Levitt tries to learn more about this one-time academic and Hollywood non-conformist, who is both very similar to him and also quite his opposite. This episode originally aired on September 4th, 2020.

By cataloging the steady march of human progress, the Harvard psychologist and linguist has become a very public intellectual. But the self-declared “polite Canadian” has managed to enrage people on opposite ends of the political spectrum. Steve Levitt tries to understand why. This episode originally aired on August 21st, 2020.

In the last episode of the podcast, Stephen Dubner turns the microphone on Steve Levitt. They talk about Levitt’s favorite — and least favorite — moments from the show’s five-year run, his quest to reform education, and his next podcasting gig.

The late Robert Solow was a giant among economists. When he was 98 years old he told Steve about cracking German codes in World War II, why it’s so hard to reduce inequality, and how his field lost its way.

Michael Crow is the president of Arizona State University, which U.S. News & World Report has called the most innovative school in the country for 11 years running. He tells Steve about why higher education needs to change, and how A.S.U. is leading the way. Plus: Steve has an announcement about the podcast.

Michael Greenstone knows it’s corny, but he wants to make the world a better place — by tracking the impact of air quality, developing pollution markets in India, and … starting a podcast, which Steve says proves he’s over the hill.

Suleika Jaouad was diagnosed with cancer at 22. She made her illness the subject of a New York Times column and a memoir, "Between Two Kingdoms." She and Steve talk about what it means to live with a potentially fatal illness, how to talk to people who've gone through a tragedy, and ways to encourage medical donations.

Physicist and former pop star Brian Cox tells Steve about discovering the Higgs boson, having a number-one hit, and why particle physics research will almost certainly not create a black hole that destroys all life on earth.

Irving Finkel is an expert on cuneiform — the oldest known writing system. He tells Steve the amazing story of how an ancient clay tablet unlocked the truth about Noah’s ark (and got Finkel in trouble with some Christians).

Moon Duchin is a math professor at the University of Chicago whose theoretical work has practical applications for voting and democracy. Why is striving for fair elections so difficult?

Frances Arnold pioneered the process of directed evolution — mimicking natural selection to create new enzymes that have changed everything from agriculture to laundry.

Steven Pinker’s new book argues that all our relationships depend on shared assumptions and “recursive mentalizing” — our constant efforts to understand what other people are thinking. He and Steve talk about the psychology of eye contact, the particular value of Super Bowl ads, and what it’s like to get cancelled.

"The Power of Habit" author Charles Duhigg wrote his new book in an attempt to learn how to communicate better. Steve shares how the book helped him understand his own conversational weaknesses.

Seth Berkley used to run the world's largest vaccine funding organization. He and Steve talk about the incredible value of vaccines, the economics of immunizing the developing world, and the current attacks on public health.

Stefanie Stantcheva’s approach seemed like career suicide. In fact, it won her the John Bates Clark Medal. She talks to fellow winner Steve Levitt about why she uses methods that most of the profession dismisses — and what she’s found that can’t be learned any other way.

From recording some of the first rap hits to revitalizing Johnny Cash's career, the legendary producer has had an extraordinary creative life. In this episode he talks about his new book and his art-making process — and helps Steve get in touch with his own artistic side.

More than two decades ago, Adam Riess’s Nobel Prize-winning work fundamentally changed our understanding of the universe. His new work is reshaping cosmology for a second time.

Uri Simonsohn is a behavioral science professor who wants to improve standards in his field — so he’s made a sideline of investigating fraudulent academic research. He tells Steve Levitt, who's spent plenty of time rooting out cheaters in other fields, how he does it.

Former U.S. Secretary of Education, 3x3 basketball champion, and leader of an anti-gun violence organization are all on Arne’s resume. He’s also Steve’s neighbor. The two talk about teachers caught cheating in Chicago public schools and Steve shares a story he’s never told Arne, about a defining moment in the educator’s life.

Kate Marvel spends her days playing with climate models, which she says are “like a very expensive version of The Sims.” As a physicist she gets tired of being asked to weigh in on economics, geopolitics, and despair — but she still defends the right of scientists to have strong feelings about the planet.

Twenty years ago, before the Freakonomics book tour, Bill McGowan taught Steve Levitt to speak in public. In his new book he tries to teach everyone else.

Former professional poker player Annie Duke wrote a book about Steve’s favorite subject: quitting. They talk about why quitting is so hard, how to do it sooner, and why we feel shame when we do something that’s good for us.

Psychologist David Yeager thinks the conventional wisdom for how to motivate young people is all wrong. His model for helping kids cope with stress is required reading at Steve’s new high school.

She’s a botanist, a member of the Citizen Potawatomi Nation, and the author of the bestselling "Braiding Sweetgrass." In her new book she criticizes the market economy — but she and Steve find a surprising amount of common ground.

Palliative physician B.J. Miller asks: Is there a better way to think about dying? And can death be beautiful?

Historian Tom Holland narrowly escaped a career writing vampire novels to become the co-host of the wildly popular podcast "The Rest Is History." At Steve’s request, he compares President Trump and Julius Caesar and explains why the culture wars are arguments about Christian theology.

John Green returns to the show to talk about tuberculosis — a disease that kills more than a million people a year. Steve has an idea for a new way to get treatment to those in need.

Abraham Verghese is a physician and a best-selling author — in that order, he says. He explains the difference between curing and healing, and tells Steve why doctors should spend more time with patients and less with electronic health records.

Jens Ludwig has an idea for how to fix America’s gun violence problem — and it starts by rejecting conventional wisdom from both sides of the political aisle.

Ellen Wiebe is a physician who helps seriously ill patients end their lives in Canada, where assisted suicide is legal. Is death a human right?

He has been a lawyer, an instructor at the F.B.I. Academy, the owner of a frozen-yogurt chain, and a winner of the TV show Survivor. Today, Kwon works at Google, but things haven’t always come easily for him. Steve Levitt talks to Kwon about his debilitating childhood anxieties, his compulsion to choose the hardest path in life, and how Kwon used game theory to stage a victory on Survivor.

Ken Goldberg is at the forefront of robotics — which means he tries to teach machines to do things humans find trivial.

Suzanne O'Sullivan is a neurologist who sees many patients with psychosomatic disorders. Their symptoms may be psychological in origin, but their pain is real and physical — and the way we practice medicine, she argues, is making those and other health problems worse.

Reginald Dwayne Betts spent more than eight years in prison. Today he's a Yale Law graduate, a MacArthur Fellow, and a poet. His nonprofit works to build libraries in prisons so that more incarcerated people can find hope.

Chemist Jack Szostak wants to understand how the first life forms came into being on Earth. He and Steve discuss the danger of "mirror bacteria," the origin of biology in poisonous chemicals, and the possibility that life might exist on other planets too.

Owen Flanagan's newest book details his 20-year dependence on alcohol and pills — and outlines his research on what addiction can tell us about the nature of consciousness.

The primatologist discusses the thrill of observing chimpanzees in the wild, the value of challenging orthodoxy, and why dying is her next great adventure.

Hank Green is an internet phenomenon and a master communicator, with a plan to reform higher education. He and Steve talk about the video blog that launched Hank’s career, the economics of the internet, and how a cancer diagnosis prompted him to become a stand-up comedian.

Jonathan Levin is an academic economist who now runs one of the most influential universities in the world. He tells Steve how he saved Comcast a billion dollars, why he turned down Steve’s unusual pitch to come to the University of Chicago, and why being a nice guy makes him a better college president.

Sarah Hart investigates the mathematical structures underlying musical compositions and literature. Using examples from Monteverdi to Lewis Carroll, Sarah explains to Steve how math affects how we hear music and understand stories.

Sarah Stein Greenberg runs Stanford’s d.school, which teaches design as a mode of problem solving. She and Steve talk about what makes her field different from other academic disciplines, how to approach hard problems, and why brainstorms are so annoying.

In her book, "Rumbles," medical historian Elsa Richardson explores the history of the human gut. She talks with Steve about dubious medical practices, gruesome tales of survival, and the things that medieval doctors may have gotten right.

How psychologist Dan Gilbert went from high school dropout to Harvard professor, found the secret of joy, and inspired Steve Levitt's divorce.

Moon Duchin is a math professor at Cornell University whose theoretical work has practical applications for voting and democracy. Why is striving for fair elections so difficult?

The director of the Hayden Planetarium is one of the best science communicators of our time. He and Steve talk about his role in reclassifying Pluto, bad teachers, and why economics isn’t a science.

He’s the chief creative officer of Pixar, and the Academy Award-winning director of "Soul, Inside Out, Up, and Monsters, Inc." Pete Docter and Steve talk about Pixar’s scrappy beginnings, why wrong turns are essential, and the movie moment that changed Steve’s life.

David Eagleman is a Stanford neuroscientist, C.E.O., television host, and founder of the Possibilianism movement. He and Steve talk about how wrists can substitute for ears, why we dream, and what Fisher-Price magnets have to do with neuroscience.

Boys and men are trending downward in education, employment, and mental health. Richard Reeves, author of the book "Of Boys and Men", has some solutions that don’t come at the expense of women and girls. Steve pushes him to go further.

Daron Acemoglu was just awarded the 2024 Nobel Prize in economics. Earlier this year, he and Steve talked about his groundbreaking research on what makes countries succeed or fail.

David Autor took his first economics class at 29 years old. Now he’s one of the central academics studying the labor market. The M.I.T. economist and Steve dissect the impact of technology on labor, spar on A.I., and discuss why economists can sometimes be oblivious.

Kate Douglass is a world-class swimmer and data scientist who’s used mathematical modeling to help make her stroke more efficient. She and Steve talk about why the Olympics were underwhelming, how she won gold, and why she won’t be upset to say goodbye to the pool.

Ken Ono is a math prodigy whose skills have helped produce a Hollywood movie and made Olympic swimmers faster. The number theorist tells Steve why he sees mathematics as art — and about his unusual path to success, which came without a high school diploma.

Artist Wendy MacNaughton knows the difficulty of sitting in silence and the power of having fun. She explains to Steve the lessons she’s gleaned from drawing hospice residents, working in Rwanda, and reporting from Guantanamo Bay.

Bestselling author James Nestor believes that we can improve our lives by changing the way we breathe. He’s persuasive enough to get Steve taping his mouth shut at night. He explains how humans dive to depths of 300 feet without supplemental oxygen, and describes what it’s like to be accepted into a pod of whales.

People for the Ethical Treatment of Animals founder Ingrid Newkirk has been badgering meat-eaters, fur-wearers, and circus-goers for more than 40 years. For a woman who’s leaving her liver to the president of France in her will, she sounds quite sensible when she tells Steve what we can learn from animals, why she supports euthanasia, and who’ll get her other organs.

Revisiting Steve’s 2021 conversation with the economist and MacArthur “genius” about how to make memories stickier, why change is undervalued, and how to find something new to say on the subject of scarcity.

Under his helm, the TED Conference went from a small industry gathering to a global phenomenon. Chris and Steve talk about how to build lasting institutions, how to make generosity go viral, and what Chris has learned about public speaking.

The former YouTube C.E.O. — and sixteenth Google employee — died on August 9, 2024. Steve talked with her in 2020 about her remarkable career, and how her background in economics shaped her work.

The author of the classic "The Selfish Gene" is still changing the way we think about evolution.

Victoria Groce is the best trivia contestant on earth. The winner of the 2024 World Quizzing Championship explains the structure of a good question, why she knits during competitions, and how to memorize 160,000 flashcards.

Richard Prum says there's a lot that traditional evolutionary biology can't explain. He thinks a neglected hypothesis from Charles Darwin — and insights from contemporary queer theory — hold the answer. Plus: You won't believe what female ducks use for contraception.

Thomas Hildebrandt is trying to bring the northern white rhinoceros back from the brink of extinction. The wildlife veterinarian tells Steve about the far-out techniques he employs, why we might see woolly mammoths in the future, and why he was frustrated the day the Berlin Wall came down.

She is one of the best basketball players ever. She’s won multiple championships, including five Olympic gold medals and four W.N.B.A. titles. She also helped negotiate a landmark contract for the league’s players. Sue Bird tells Steve Levitt the untold truth about clutch players, her thoughts about the pay gap between male and female athletes, and what it means to be part of the first gay couple in ESPN The Magazine’s Body Issue.

Conrad Wolfram wants to transform the way we teach math — by taking advantage of computers. The creator of Computer-Based Maths convinced the Estonian government to give his radical curriculum a try — so why is the rest of the world so resistant?