Ray Kelly remembers the days when he and his wife were so broke they had to hide from debt collectors and repo men.

"There was nothing in the bank. We couldn't park our car outside our house because they knew where we lived," he recalls.

Fast-forward to today. Kelly is the founder and CEO of the pioneering wellness company TERSA, whose crown jewel is the SAVA—an immersive sound therapy pod used in luxury hotels and wellness facilities globally.

SAVA by TERSA

But this dramatic turnaround in Kelly's fortunes didn't happen overnight. It took an unwavering vision, resilience, and a strategic approach to entrepreneurship.

Kelly is this week's guest on the One Day with Jon Bier podcast. You can listen to the entire interview below, which details his 20-year career as a renowned injury rehab expert turned successful entrepreneur.

Here are some of the hard lessons he learned along the way.

Related: How to Design a Work Session That Tricks Your Brain Into Peak Performance, According to a Neuroscientist

In the early stages of TERSA, Kelly had a clear vision of developing a unique and dynamic healing methodology that disrupted the status quo with a more holistic approach to wellness.

But not everyone around him saw it the same way. They........

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