The Origin of UNBell
by Jamie Leupold, Founder
UNBell was born on January 10th, 2025 — like many great inventions — as a random spark of inspiration in the shower. I had just wrapped up a workout using a fixed handheld device with multiple handles and thought: Wouldn’t it be cooler if those were adjustable weights instead of just static grips? And even cooler — what if you could swap in different-sized and -shaped weights to really challenge balance and control? This could UNlock UNlimited training options.
The very first UNBell came to life that same week, built from parts sourced from Home Depot.
As fate would have it, that workout was also my last for a while — a foot injury and surgery in early February benched me for nearly three months. But silver linings, right? Stuck on the couch with time to think, I started obsessing over this new concept. That’s when UNBell got its name and its identity — a UNique, UNiversal, UNBalanced training tool that could completely reshape how we approach strength and stability.
During that time, I began assembling an incredible team. First and foremost, my amazing wife Jennifer, who leads our social media, has been my biggest cheerleader. We also partnered with the brilliant engineers at Datum3D in Watertown, MA, who helped bring the vision to life and have since built our first two working prototypes. Boston Web Group joined us to help launch our digital presence, and NE Patent & Trademark is making sure UNBell is protected for the long haul.
A little about me: I’m a lifelong fitness enthusiast — I still remember getting my first set of sand-filled weights at 14. That day sparked a passion for training that’s never faded. I’m a retired competitive powerlifter who now prefers medium-weight, high-intensity dumbbell and kettlebell workouts. My wife’s been training with the same coach for over 13 years.
We’re building this thing out of our garage (don’t ask Jennifer how she feels about that), and we’re just getting started. Our mission is simple: create something real, lasting, and effective — not a fad (no offense, Shake Weight). We believe in the power of offset and UNBalanced training to unlock real gains in strength, control, and functional performance.
We hope you find UNBell as exciting, challenging, and UNlike anything else as we do. We welcome your feedback, the good, the bad but mostly good.
Let’s build something strong — together.
Sincerely,
Jamie Leupold
Founder, UNBell