About

Andy Stenzler

Andy Stenzler is the Co-Founder of Rumble. Rumble is a boxing-inspired group fitness concept with existing locations in NYC, San Francisco, Los Angeles, Washington DC, Chicago and Philadelphia. Rumble was acquired by Xponential, the largest purveyor of group fitness concepts in the world. Andy is also an operating partner in the hygiene-focused, membership based nail salon concept, Glosslab, and street fashion brand Saint Art.

Among his many achievements, Andy was named an Ernst & Young ‘Entrepreneur of the Year’ in New York City. In addition, he was twice featured on the cover of Entrepreneur Magazine and was named ’40 under 40’ by Crain’s New York Business, as well as being listed ’35 Under 35’ by New York Magazine. The Resident Publications’ deemed Andy one of the ‘Big 100’ in their story on the 100 most influential New Yorkers. New York’s Our Town Newspaper named Andy an East Sider of the Year. Additionally, the Honorable Rudolph W. Giuliani presented Andy with the Esther Montanez Leadership Award for his work with the charitable organization, the Fountain Gallery. Previously Andy co-founded both the Cosi and Kidville concepts.

Andy received a Bachelor of Engineering Degree from the University of Michigan at Ann Arbor, where he was a J. Ira Harris Scholarship and an Alumni Scholarship winner. Additionally, Andy received an MBA in Finance and International Business from the Stern School of Business at New York University.

Andy resides in New York City with his wife Shari Misher Stenzler (Co-Founder and CEO of London Misher Public Relations), daughter Kylie, and son Colby.

In The Press

Xponential Revives IPO Plans

Xponential Revives IPO Plans After $300 Million Rumble Purchase

Xponential Fitness LLC, the franchise owner of boutique fitness…
Glosslab Raises Unlimited Membership

Glosslab Raises $3M+ for its Unlimited Membership-Based Nail Studios

It’s estimated that there are at least 4,000 nail salons in…

Xponential Buys Boxing Concept Rumble

The ninth brand under the Xponential Fitness flag, Rumble’s…
Andy Stenzler Xponential Acquires Boxing Studio

Xponential acquires boxing studio operator Rumble, grows portfolio to nine brands

Boutique fitness behemoth Xponential Fitness has added boxing…
Andy Stenzler Anthony Geisler Xponential

Xponential Fitness Adds Rumble To Its Portfolio

Xponential Fitness, Irvine, California, is acquiring Rumble,…
Andy Stenzler Xponential Fitness Rumble Boutique Boxing

Xponential Fitness Ready to ‘Rumble’ with Addition of Boutique Boxing Concept - Franchising

Boxing Brand with Celebrity Ties Becomes Ninth Acquisition for…
Andy Stenzler Xponential Fitness Acquires Rumble - Athletec News

Xponential Fitness Acquires Rumble Helping Expand Brand’s Footprint

Xponential Fitness is known for building innovative boutique…
Andy Stenzler Xponential Fitness Rumble Boutique Boxing Concept

Xponential Fitness Ready to 'Rumble' with Addition of Boutique Boxing Concept

Xponential Fitness is known for building innovative boutique…

Power Workouts: Not for the Faint of Heart

Power exercise classes for overachieving Washingtonians in pursuit…

OPENINGS: Rumble Boxing (4.15.19)

Sometimes we get a bit of FOMO when it comes to incredible businesses…

Celebrity-backed boxing studio opens minutes from campus

If you want to work out like a celebrity, you’re in luck. Rumble,…