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A Yid’s Transformation: From Muso to PT to BT: Strengthening Body & Soul

For many years, Joshua Kellerman was immersed in the world of music – studying, performing, writing, and managing live events. Life was full of energy and creativity, but it was missing a sense of balance. The late nights and irregular lifestyle took their toll, and he found himself overweight and, in some ways, unfulfilled.

“Looking back, now I can see that it was an animalistic life that I was living,” he says.

After going through his own weight-loss journey, dropping over 40 pounds and embracing a healthier lifestyle, Josh experienced firsthand a physical transformation that also had a huge impact on his mindset.

That turning point led him to retrain as a certified Personal Trainer (PT) and Integrative Nutrition Health Coach, so that he could help others discover their very own spark of change.

But that was only the beginning…

As Josh continued working on his physical health, a deeper shift began inside, one that led to growth in the emotional and spiritual realms as well.

Josh grew up in Sydney in a traditional Jewish home and had first encountered Chabad through Chabad North Shore, where his mother began taking him as a young child. Those early experiences left a lasting impression of warmth and authenticity that would later play a key role in his return to Yiddishkeit.

Post BarMitzvah until his mid 20s, Josh felt quite disconnected from Yiddishkeit, and the only real connection that remained was with certain Bochorim that he had befriended over the years… they would learn and say l’chaim and farbreng on all sorts of topics.

“Around ten years ago,” he recalls, “I decided to try to put on Tefillin again. I had to call one of those friends (who I had met through the Chabad house) to remind me how to do it. One thing led to another… and now I wear a Kippah, Tzitzis, keep Shabbos and Kosher, and Daven three times a day. The process of coming to live a Torah life transformed everything. I never knew how rich life could be.”

A couple of years later, Josh connected with a fellow trainer who offered him to take over a small local studio working with the frum community in Melbourne. He was able to grow the business successfully until Covid hit and heavy lockdowns changed everything, and he had to shut down for a while.

Forced to adapt, Josh began running sessions on Zoom, and Chai Fit was born.

Today, Chai Fit is a virtual fitness platform designed specifically for frum Jews who want to get fit, lose weight, build strength, and prioritize health within the busyness of frum life.

Since the shift to online, Josh has had hundreds of Yidden join from six continents across the world, including many Shluchim who are balancing demanding schedules and communal responsibilities.

“Many of the people I train spend their lives giving to others,” Josh says. “Part of my job is to remind them that spending time on their health and energy does not take away from their Shlichus, but rather enhances it.”

Josh’s approach blends short, effective, and fun workouts with kosher music, practical nutrition guidance, and an emphasis on consistency over perfection.

“Building healthy habits is key,” he says.

He’s given away tens of thousands of dollars’ worth of content as he truly believes in this message and has wanted to make it accessible to Yidden who would like to partake.

“Every Yid has a responsibility to look after the holy Guf and function at their best,” he says. “When we feel fit and strong and energized, we can fulfill our own personal Shlichus so much better.”

Today, through Chai Fit, Josh continues to empower frum Jews worldwide to live healthier and happier lives with Chai Fit membership and challenges running throughout the year. There will likely be a challenge starting very soon.

If you’re ready to bring more strength and vitality into your Shlichus (whatever that may be), sign up for a Free Chai Fit Trial today!

Click Here: https://www.chaifit.live/freetrial5786

Contact:
Email: [email protected]
WhatsApp: +61458819838