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Wednesday, Jun 24, 2026

OC500 2024: Mark King

MARK KING 

CEO, XPONENTIAL FITNESS INC. 

 

WHY: Former head of Taco Bell and newest chief executive of Irvine-based boutique fitness franchisor (NYSE: XPOF), sporting over 3,100 studios across nine brands with $657M market cap as of September. 

IN THE NEWS: Replaced former Xponential CEO in June to take over his first fitness gig; shares jumped 34% in trading session following appointment.  

NOTABLE: Retired from fast-food chain at end of 2023; helped Taco Bell grow to almost $15B in sales over five-year tenure. Named a Businessperson of the Year by the Business Journal in January. Also boasts 40-year career in retail. 

QUOTABLE: “Every company I’ve led has had strong, growing brands, passionate stakeholders and scalable teams with models that are poised to generate significant cash with some fine tuning. I see the exact same things at Xponential.”  

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