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.

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 Mayor of New York City 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.