How I Built This with Guy Raz

Amanda Klane and Drew Harrington are childhood friends, and co-founders of Yasso; they defied the advice of experts by creating a recipe for frozen Greek yogurt treats, and building Yasso into a $200 million dollar brand. When Amanda got the idea in 2009 to freeze Greek yogurt into popsicles, she reached out to Drew, who had already started a business selling—and there’s no way you could guess this—inflatable beer pong tab...

Pierre Thiam is a renowned chef, restaurant owner, cookbook author, and co-founder of Yolélé – a company working to introduce the world to fonio, an ancient West African grain built for climate change.

But it hasn't been all sunshine and good harvests for Pierre. In fact, he was robbed just days after he first arrived in New York City from Senegal.

It was 1989, and he had just traveled to the U.S. to study chemistry and phys...

By her early thirties, Ava DuVernay was already a successful entrepreneur, having founded her own film publicity agency in Los Angeles. But after years of watching other people make films, she started to get an itch to tell her own stories onscreen. Ava's first films were rooted in deeply personal experiences: growing up with her sisters in Compton, performing Hip Hop at Open Mic Night at the Good Life Café in L.A. Her sel...

Millions of Americans don’t have enough to eat — a startling fact considering 40% of the food produced in the U.S. gets thrown away. And a lot of that food… from restaurants, supermarkets, office buildings and more… is perfectly safe to eat. What’s worse is that this discarded food waste produces harmful methane emissions that contribute to global climate change.

Jasmine Crowe-Houston is an entrepreneur who became obsessed ...

In 1998, Curran Dandurand and a colleague from Mary Kay Cosmetics came up with an unorthodox idea: a premium skincare brand for men. Despite the prevailing wisdom that American men would never want to moisturize and exfoliate - and a total lack of interest from investors - Curran and Emily Dalton forged ahead, with the help of Curran’s husband Jeff. Their brand, Jack Black, launched in 2000, and eventually landed in m...

Over one hundred billion garments will be produced this year, but they don’t have to be. 

Peter Majeranowski says we have all the clothes we need to make all the clothing we’ll ever need, and his company, Circ, has pioneered the technology to prove it. 

This week on How I Built This Lab, Peter shares how trying to create fuel from tobacco unintentionally led to the creation of a different material — pulp that could...

Before Steven Udvar-Hazy was out of high school, he started working as an airline consultant. You could do that sort of thing back in the 1960’s, if you knew the industry—which indisputably, he did. Born in Communist Hungary, Steven was obsessed with aviation at an early age, memorizing plane serial numbers and schedules for fun.  In his early 20’s he started his own small airline in California.  But he quickly l...

Our brain activity can reveal a lot about our physical and mental health. And thanks to Ramses Alcaide and his team at Neurable, we’ll soon be able to glean insights from our brainwaves in our own homes — without ever stepping foot in a laboratory...

This week on How I Built This Lab, Ramses recounts the inspiration behind launching a brain computer interface company, and previews his company’s first product: headphones tha...

In 2005, the trajectory of Holly Thaggard's life completely changed when a good friend of hers was diagnosed with skin cancer. Holly realized that most people weren't taking sunscreen seriously, so she sidelined her vocation as a harpist to dive headfirst into the unfamiliar world of SPF. After a false start trying to market her sunscreen to elementary schools, Holly pivoted to retail, hiring a publicist she could barely a...

Not only is BETA Technologies completely changing the flying experience with its all-electric aircraft, it’s upending the logistics of shipping altogether... 

This week on How I Built This Lab, founder and CEO Kyle Clark shares how BETA is building zero-emission, battery-powered aircraft, as well as a national charging network. Also, how the transition to electric will address aviation’s emissions problem, and how a ch...

Kinko’s copy shops were once so ubiquitous that the name became a kind of shorthand for photocopying. Paul Orfalea started the first shop in 1970 in a tiny converted hamburger stand near UC Santa Barbara, called it Kinko’s after his childhood nickname, and eventually grew it into a sprawling global chain.   

Rather than relying on a franchise model, Paul partnered with co-owners, which often made it hard...

Tom Szaky runs a recycling company, but he’d rather live in a world where recycling was obsolete... 

Today, his company recycles everything from shampoo bottles and makeup containers to snack wrappers and cigarette butts. And through their recent Loop initiative, TerraCycle works with consumer brands to develop packaging that is actually reusable -- an even more effective waste-reduction tactic than recyclable packagin...

Over a nine-year period, Spencer and Jeff Jan grew Solo Stove from a DIY project into a 9-figure brand. Their original idea was modest: work a four-hour week and earn a passive income from a DTC camping stove, which was easy to use and as sleek as a spaceship. When they launched the business in 2010, the brothers lived thousands of miles away from each other: Spencer in Shanghai, where he located the manufacturer for the s...

Most of us are dependent on our smartphones. In fact, Americans spend an average of three hours a day on these devices — devices that only came into existence relatively recently. 

Designers Kai Tang and Joe Hollier have long believed that it’s not normal for humans to be so attached to their phones. So they launched their own company in 2014 to create an alternative...called the Light Phone.

This week on How I Built Th...

A life-threatening diagnosis changed the course of Andrew Abraham’s career and led him to found some of the most popular nutritional drinks and powders on the market. After recovering from his illness and attending med school, Andrew noticed that some of his patients—just as he had—struggled with keeping food down. So during his first year of residency, he developed the same kind of organic nutritional shakes that he’...

There’s a new car coming to market that will probably make its owners search out the sunniest spots in the parking lot...

Aptera Motors is designing and manufacturing this car: a plug-in electric hybrid that can run up to 40 miles on a single, solar-powered charge. 

This week on How I Built This Lab, Steve Fambro shares how he and his co-CEO revived their once-defunct auto company thanks to the promise of solar energy. ...

Tetris is one of the most popular video games of all time, and Henk Rogers helped make it happen. He first discovered the game at a convention in 1988, and immediately saw how elegant and addictive it was. As a software developer based in Japan, Henk set out to obtain selected publishing rights, but waded into a tangle of red tape that stretched from Japan to the U.S. to the Soviet Union. He eventually ventured behind the ...

The COVID-19 pandemic changed education forever. But Sal Khan says an even bigger educational revolution is just around the corner …

This week on How I Built This Lab, Sal returns to the show to talk about a new learning platform he’s building at Khan Academy. It’s called Khanmigo, and it uses the same generative AI technology behind OpenAI’s world-changing ChatGPT to help students with their schoolwork. The technology isn’...

A relentless hunt for their favorite foods and drinks led Scott and Ally Svenson into launching not one but two multi-million dollar businesses. The first came about in 1990s London when they discovered that British coffee meant instant coffee. So, the Washington natives decided to start the Seattle Coffee Company in the U.K, inspired by their love of Starbucks—which was still only in the U.S. But, once Starbucks started t...