How I Built This with Guy Raz

Guy Raz | Wondery

Guy Raz interviews the world’s best-known entrepreneurs to learn how they built their iconic brands. In each episode, founders reveal deep, intimate moments of doubt and failure, and share insights on their eventual success. How I Built This is a master-class on innovation, creativity, leadership and how to navigate challenges of all kinds.New episodes release on Mondays and Thursdays.

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How I Built This with Guy Raz

Episodes (816)

Yesterday Scrub Daddy: Aaron Krause. How a Failed Experiment Became a Billion-Dollar Sponge
Thursday Advice Line with Hernan Lopez of Wondery
Mon Mar 9th Bobo’s: Beryl Stafford. A Single Mom Turns a Baking Project into a $100M Business

How I Built This with Guy Raz

Mar 16, 2026
1¼ hours
82 MB

Aaron Krause did not set out to reinvent the kitchen sponge. He was a car detailer, building buffing pads and the machines that made them. To clean his greasy hands, he made a makeshift hand scrubber out of extra-rough foam, and it worked so well he decided to sell it. But nobody wanted it. He shelved the product for years. Then one day while cleaning up around the house, he accidentally discovered the foam’s “magic” properties and realized it would make the perfect kitchen sponge. Scrub Daddy was born. ...

How I Built This with Guy Raz

Scrub Daddy: Aaron Krause. How a Failed Experiment Became a Billion-Dollar Sponge

Guy Raz | Wondery

00:00 -01:29:17