Hardware Startups

Proto is a hardware startup founded by David Nussbaum that created a telephone booth-sized device projecting realistic holographic images to enable virtual presence. The technology is currently used to transport professors, doctors, speakers, and celebrities to classrooms, hospitals, and events globally, with the founder's vision of eventually bringing the technology into consumer living rooms.

Therabody was born when Jason Wersland, a chiropractor student, modified a Makita jigsaw to create a percussive massage device to relieve pain from a motorcycle injury. After discovering the device worked on his patients, he scaled by manufacturing hundreds of modified units with creative add-ons like fence posts and cat toys. The company grew into a wellness brand generating hundreds of millions in revenue through athlete and celebrity endorsements.

Concept2 is a hardware company founded by Olympic rowers Dick and Peter Dreissigacker that manufactures rowing machines designed to replicate the authentic feeling of rowing on water. Initially built from bicycle parts in a Vermont barn and serving a niche market of rowing clubs and schools, the business accelerated significantly when Crossfit founder Greg Glassman began installing their machines in his gyms. Today, Concept2 sells rowing machines, stationary bikes, and skiing machines to thousands of gyms and home trainers worldwide.

On is a Swiss sneaker company founded by triathlete Olivier Bernhard, who created innovative running shoes inspired by a prototype made with garden hose strips. After being rejected by major brands like Nike and Puma, Bernhard partnered with two fellow Swiss entrepreneurs in branding and gradually gained traction with elite runners. The company achieved major credibility when tennis legend Roger Federer became an investor, helping On grow into a full-fledged sneaker company that generated $2 billion in sales by 2023.

Specialized Bicycle Components was founded by Mike Sinyard in the 1970s to sell high-quality bike parts and eventually became a pioneer in mass-producing mountain bikes. The company grew to tens of millions in revenue by the 1990s but faced near-bankruptcy after poor business decisions before recovering. Today, Specialized is an industry leader generating around $500 million in annual sales.

Peter Metcalf acquired bankrupt Chouinard Equipment in 1989 and relaunched it as Black Diamond Equipment, capitalizing on the growing sport climbing trend. He took on significant personal debt to fund the venture. Black Diamond Equipment grew into one of the most recognizable outdoor brands in the world.

Marucci Sports was founded by Kurt Ainsworth and two partners after an injury ended Ainsworth's professional pitching career. Starting with wooden bats in a backyard operation, the company attracted big-name players like Sammy Sosa before expanding to aluminum bats to reach a wider market. Despite a near-death experience when the NCAA decertified their bats for being too powerful, the company recovered and was acquired in 2013 for over $500 million, eventually becoming MLB's official bat supplier.

Vizio, founded by William Wang after his previous business failure and a near-fatal plane crash, revolutionized TV manufacturing by cutting out middlemen and offering internet-connected televisions at aggressive prices. The company became one of the top-selling TV brands in the US through direct-to-consumer distribution. In 2024, Vizio was acquired by Walmart for $2.3 billion.

Hexclad is a hardware cookware company founded by Danny Winer that leverages a novel non-stick technology discovered at an overseas trade show. The company addresses pain points in the traditional non-stick market—poor high-heat performance and durability—and grew to a $500 million valuation in just under a decade.

Brad Baxter left a successful career in the automotive industry to build Litter-Robot, an automated self-cleaning litter box product under his company Whisker. Despite initial skepticism from his family, the product achieved remarkable commercial success, reaching approximately $300 million in annual sales.

Hydro Flask was born when Travis Rosbach couldn't find a water bottle that met his needs—one that was durable, leak-proof, and kept drinks cold. He bootstrapped the company by manufacturing in China, selling at farmer's markets, and eventually securing shelf space at Whole Foods through timing and persistence. The company grew to become one of the most recognizable water bottle brands in America, fueled by word-of-mouth and retail partnerships.

Taylor Guitars grew from a tiny San Diego repair shop doing $30,000 per year into a global business with nine-figure revenue through relentless craftsmanship and disciplined business operations. Co-founders Bob Taylor and Kurt Listug survived multiple challenges including a failed distributor deal, slow early growth ($15/week salary for five years), and market crashes, ultimately building one of the world's most respected acoustic guitar brands used by icons like Taylor Swift and Prince.

HOKA was founded in 2007 by two French mountain athletes, Jean-Luc Diard and Nicolas Mermoud, who identified a problem with downhill running injury that major footwear brands ignored. They designed a revolutionary shoe with a rocker shape, larger volume, and softer cushioning that initially looked like clown shoes but proved transformative for ultramarathon runners. Through relentless demo-ing and getting elite runners to experience the product firsthand, HOKA grew from under $3M in sales in 2012 to over $2B annually, eventually partnering with Deckers to unlock the U.S. market.

Spinbrush was an electric toothbrush startup founded by John Osher that became the top-selling toothbrush in the U.S. through innovative design (fixed + oscillating bristles), aggressive pricing ($5 vs. $80 competitors), and packaging innovation (Try Me feature). The company achieved a $475M acquisition by Procter & Gamble after demonstrating category-defining product-market fit and managing inventory discipline that included scrapping 400,000 defective units.

WHOOP is a personal health and fitness wearable founded by Will Ahmed that has grown into a $3.6 billion company. The company gained early traction through high-profile athlete customers including LeBron James and Michael Phelps, leveraging word-of-mouth from elite sports figures to build credibility and drive adoption.

Blake Scholl is a high school dropout who worked at Groupon before founding Boom Supersonic, a hardware startup building supersonic jets. The episode covers his journey from spotting problems in plain sight to pitching major figures like Richard Branson and working with investors like Jeff Bezos.