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, and Philadelphia. Rumble has also launched a treadmill-inspired concept Rumble Training.

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 Stenzler 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

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,…

Rumble Boxing Opens This Week in DC

This Friday, April 12, Rumble, the boxing-inspired group fitness…

Rumble, a Boutique Boxing Studio Backed by Justin Bieber, Is Opening Its First DC Location Next Week

Sylvester Stallone is an investor, too, so get ready to channel…

Rumble Fitness Opens Near D.C.'s West End This Month

Boxing-inspired fitness company, Rumble, has set its sights on…

Rumble, the boxing-inspired group fitness brand to open in West End

On Friday, April 12, Rumble, the boxing-inspired group fitness…

One Two Punch

A Peek Inside The Boxing-As-Fitness Revolution That’s About…

Center City Is Getting Another Celebrity-Studded Boxing Gym

Unless you haven’t emerged from your wintertime hibernation…

The Best Sports Bras for Your Fitness Activities, According to the Pros

Whether you need more support during spinning or less chafing…

Fitness Chain Rumble to Open First DC Location

Boxing-inspired group fitness chain Rumble is opening its first…