Gymshark: Ben Francis. From pizza delivery to billion-dollar fitness brand.

In 2007, architect Miguel McKelvey convinced his friend Adam Neumann to share an office space in Brooklyn. That was the beginning of WeWork: a shared workspace for startups and freelancers looking for an inspiring environment to do their work. Today, WeWork has created a "community of creators" valued at nearly $16 billion. PLUS in our postscript "How You Built That," we check back with Kristel Gordon who invented a solution for easily stuffing a duvet back into its cover – it's called Duvaid. (Original broadcast date: June 19, 2017.) See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

3 Sep 201851min

In 1997, Navy SEAL Randy Hetrick was deployed in Southeast Asia, where he was stationed in a remote warehouse for weeks with no way to exercise. So he grabbed an old jujitsu belt, threw it over a door, and started doing pull-ups. Today, TRX exercise straps dangle from the ceiling in gyms across the country and are standard workout gear for professional athletes. PLUS in our postscript "How You Built That," we check back with a husband-and-wife team who experimented with fruit, spices and vinegar and came up with a gourmet ketchup line called 'Chups. (Original broadcast date: June 26, 2017). See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

27 Aug 201843min

In 1995, Angie Hicks spent months going door-to-door in Columbus, Ohio, trying to get people to sign up for a new home services referral business. Today, Angie's List is a household name, referring millions of members to plumbers, painters, and more. PLUS in our postscript "How You Built That," we check back with Joel Crites who created the app Micro Fantasy, where fans can make predictions about what will happen next in a baseball game. (Original broadcast date: November 28, 2016) See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

20 Aug 201832min

In 2013, Peter Rahal was obsessed with CrossFit, but noticed it didn't sell any snacks to align with its pro-paleo philosophy. So instead of joining his family's business, Rahal Foods, he recruited his friend Jared Smith to start making their own protein bar. They made the first RXBAR in a Cuisinart in Peter's parents' home in suburban Chicago. By 2016, RXBAR was doing over $36 million in sales, and in November 2017, the founders sold the company to Kellogg's for $600 million. Recorded live in Chicago. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

13 Aug 201847min

Lisa Price worked in television but had a passion for beauty products. At her mother's suggestion, she began selling her homemade moisturizer at a church flea market. Twenty years later, Carol's Daughter is one of the leading beauty brands catering to African-American women. PLUS in our postscript "How You Built That," we check back in with Aiden Emilio who, along with her husband Jesse, created RexSpecs — UV-protecting goggles for dogs. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

6 Aug 201841min

In the early 2000s, Stewart Butterfield tried to build a weird, massively multiplayer online game, but the venture failed. Instead, he and his co-founders used the technology they developed to create the photo-sharing site Flickr. After Flickr was acquired by Yahoo in 2005, Butterfield went back to the online game idea, only to fail again. But the office messaging platform Slack rose from the ashes of that second failure — a company which, today, is valued at over $5 billion. PLUS, for our postscript "How You Built That," how a peanut butter obsession turned teenager Abby Kircher into a CEO before she was old enough to drive. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

30 Juli 20181h 3min

A decade ago, full-time mom Alli Webb noticed a gap in the beauty market: there was no place that just focused on blow-drying hair. Now with more than 100 locations, Drybar is testament to Webb's motto: Focus on one thing and be the best at it. PLUS in our postscript "How You Built That," we check back in with Chris Healy, a long-haired Southern Californian who co-founded The Longhairs and created special hair ties for guys. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

23 Juli 201833min

Steve Madden fell in love with the shoe business in the 1970's, when he sold platform shoes at a neighborhood store in Long Island, New York. That was in high school. About 15 years later, he struck out on his own, designing and selling shoes with a high-end look at affordable prices. As his business – and his ambitions — began to grow, he got involved in a securities fraud scheme and wound up serving two and-a-half years in prison. In 2005, he returned to Steve Madden, where he helped the company grow into a business valued at $3 billion. PLUS, for our postscript "How You Built That," how Chris Dimino turned a school design project into the Keyboard Waffle Iron, which makes waffles in the shape of a computer keyboard. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

16 Juli 201851min