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

Before it became fashionable to start a tech company in your dorm room, Michael Dell did exactly that. In 1983, he began selling upgrade kits for PC's out of his dorm at UT Austin. A few months later he gave up his plan of being Pre-Med, and dropped out of school to focus on the PC business. At age of 27, he became the youngest CEO to head a Fortune 500 company. Today, Dell has sold more than 650 million computers. PLUS for our postscript "How You Built That," how Hannah England turned a common parenting problem into Wash. It. Later. — a water-tight bag for soaking soiled baby clothes before they stain. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

29 Jan 201848min

After high school, Marcia Kilgore moved to New York City with $300 in her pocket and no real plan. One step at a time, she became a successful serial entrepreneur. First, she used her high school bodybuilding experience to find work as a personal trainer. Then she taught herself to give facials, and eventually started her own spa and skincare line, Bliss. The spa became so popular that it was booked months in advance with a list of celebrity clientele. After selling her shares in Bliss, Marcia went on to start four new successful companies: Soap & Glory, FitFlop, Soaper Duper, and Beauty Pie. PLUS for our postscript "How You Built That," how Steve Kral has created a successful business fulfilling a very particular niche: selling TV remotes for outdated television sets. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

22 Jan 201852min

In the early 1990s, Reid Hoffman had a vision for the future of the Internet: people would connect through social networks using their real names, and their online lives would be completely merged with their real ones. After several early attempts, he co-founded LinkedIn – a social network focused on jobs and careers. In 2016, the company sold to Microsoft for $26 billion dollars, helping make Hoffman one of the wealthiest and most influential figures in Silicon Valley. PLUS for our postscript "How You Built That," how Danica Lause turned a knitting hobby into Peekaboos Ponytail hats, knit caps with strategically placed holes for a ponytail or bun. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

15 Jan 201841min

We're hard at work planning our next live show, so we bring you this favorite from the last year: Kate Spade. A 1991 conversation at a Mexican restaurant led Kate & Andy Spade to ask, "What's missing in designer handbags?" Kate's answer was a simple modern-shaped handbag that launched the iconic fashion brand. PLUS for our postscript "How You Built That", we check back with Dennis Darnell and his line of garbage can fly traps. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

8 Jan 201839min

We're taking a break for the holidays, so we bring you this favorite from the last year: Clif Bar. Gary Erickson asked his mom, "Can you make a cookie without butter, sugar or oil?" The result was an energy bar named after his dad — now one of the most popular energy bars in the U.S. PLUS for our postscript "How You Built That", we check back with Alec Avedessian about Rareform, his line of bags made out of old highway billboards. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

1 Jan 201830min

In 1978, Arthur Blank and his business partner Bernie Marcus were running a successful chain of hardware stores called Handy Dan – but then, they were unexpectedly fired. The next year, they conceived and launched a new kind of home improvement store that flopped on opening day, but went on to become one of the biggest private employers in the U.S. The Home Depot now earns annual revenue of almost $100 billion. Recorded live in Atlanta. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

28 Dec 201732min

We're taking a break for the holidays, so we bring you this favorite from the last year: Patagonia. In 1973, Yvon Chouinard started the company to make climbing gear he couldn't find elsewhere. Over decades of growth, he has implemented a unique philosophy about business, leadership and profit. PLUS for our postscript "How You Built That", we check back with Brett Johnson of Firedrops — cayenne pepper lozenges. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

25 Dec 201726min

When Alexa von Tobel was just 14, her father passed away unexpectedly, leaving her mother to manage the family's finances. The tragedy made Alexa determined to understand money – and help others plan for periods of uncertainty. In her mid-twenties, she founded LearnVest, a tool that simplifies financial planning and investing. Within three years, the company was providing support to millions of customers. In 2015, she sold LearnVest for a rumored $250 million. PLUS for our postscript "How You Built That," how Dillon Hill built Gamers Gift to help bed-bound and disabled patients enjoy a wide range of places and experiences —through virtual reality.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

18 Dec 201739min