24 Hour Fitness is the world's largest (by memberships) privately owned and operated
fitness center chain, and third in number of clubs behind
Gold's Gym and
Fitness First of the UK. It currently has 400+ clubs, 18,000 employees in the U.S.A., and an undisclosed number of employees working in a customer services call-center in the Philippines and another call center in Las Vegas, Nevada. 24 Hour Fitness also employs a collections contracting company located in Jamaica. The corporate office is located in
San Ramon, California and a processing center is located in
Carlsbad, California. The founder is
Mark S. Mastrov, and the
CEO is Elizabeth Blair. 24 Hour Fitness is currently owned by AEA Investors, a leader in the private equity industry; Ontario Teachers’ Pension Plan, Canada's largest single-profession pension plan – and one of the world’s largest; and Fitness Capital Partners, a fund organized by Dean Bradley Osborne and Global Leisure Partners. It was acquired from the Company from Forstmann Little & Co in May 2014. 24 Hour Fitness operates a nutritional supplement company, Apex Fitness Group, which is also the distributor of the Bodybugg system. Their motto is "Improving lives through fitness."