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Therabody

by Jason Werslandvia How I Built This
See all Hardware companies using word of mouth
Growthword of mouth
The Spark

Jason Wersland's journey to founding Therabody began with a motorcycle accident while he was studying to become a chiropractor. Desperate for pain relief and searching for solutions to ease his arm injury, he conducted a late-night experiment with a Makita jigsaw—discovering that the percussive massage from the power tool actually helped reduce pain and increase his range of motion.

Building the First Version

With his discovery in hand, Jason didn't wait for perfect conditions or investors. He began MacGyvering hundreds more units, initially improvising add-ons from whatever materials he had: fence posts and cat toys served as early percussion heads. This scrappy, bootstrapped approach to manufacturing showed early product-market fit wasn't about polish—it was about solving a real problem.

Finding the First Customers

Jason's first customers were his own chiropractor patients. The device worked as well on them as it did on him, creating natural word-of-mouth interest. Instead of pursuing traditional marketing channels, he relied on the product's effectiveness and organic recommendations from satisfied users.

What Worked

The turning point came through endorsements from top athletes and celebrities. As influential figures adopted and promoted the Theragun (the product's eventual name), the brand gained credibility and reach far beyond his patient base. These endorsements validated the product and accelerated growth dramatically.

Where They Are Now

Therabody evolved from a garage experiment into a full wellness brand generating revenue in the hundreds of millions of dollars. What started as a jury-rigged solution to one man's pain became a category-defining product used by professional athletes, celebrities, and millions of consumers worldwide.

Why It Worked
  • Solving a genuine personal problem created authentic product-market fit that naturally resonated with the founder's immediate network before any marketing was needed.
  • Starting with a captive audience of chiropractor patients provided built-in credibility and word-of-mouth amplification through trusted medical professionals recommending the device.
  • The scrappy, bootstrapped manufacturing approach removed the need for capital and perfection, allowing rapid iteration and proof of concept before scaling.
  • Securing celebrity and athlete endorsements leveraged social proof and aspirational appeal that transformed a niche therapeutic tool into a mainstream wellness category.
  • Focusing distribution through high-influence individuals amplified reach exponentially without traditional advertising spend, creating perceived exclusivity and desirability.
How to Replicate
  • 1.Identify a acute personal pain point you or your team experiences, then design and test a prototype solution with your immediate network (colleagues, patients, or community) before pursuing external funding or polished marketing.
  • 2.Recruit your earliest users from within existing trusted networks—professionals, practitioners, or communities with built-in credibility—rather than cold outreach, to generate organic word-of-mouth validation.
  • 3.Bootstrap initial manufacturing with available materials and resources to prove demand and iterate quickly, rather than investing heavily in production before confirming product-market fit.
  • 4.Map influential figures and early adopters within your target market and provide them direct access to your product, making it easy for them to organically endorse it through their existing audiences.
  • 5.Measure and reinvest disproportionately in the channels driving highest engagement (in this case, celebrity/athlete endorsements) once traction is proven, rather than splitting resources across multiple marketing approaches.

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