Fitness Business Back After Two Decades, Mark Mastrov Has Big Plans for 24 Hour Fitness Josh Liberatore February 2, 2026 Share on Facebook Share on Twitter Share via Email Mark Mastrov reacquired 24 Hour Fitness, the gym brand he founded in the 1980s and sold in 2005 (credit: 24 Hour Fitness) Mastrov, who recently completed a landmark deal to reacquire the gym brand he sold in 2005, spoke to ATN about his goals for the future… Membership Required This article is for ATN Pro members only. ATN Pro members get: Unlimited access to Athletech News articles Exclusive access to ATN Pro-level reporting Discounts to ATN the Innovation Summit VIP access to community events Exclusive email newsletters Subscribe Now Already a member? Log in Already a member? Log in here Tags: 24 Hour Fitnes ATN Pro Gyms Mark Mastrov
