Fitness Business Back After Two Decades, Mark Mastrov Has Big Plans for 24 Hour Fitness Josh Liberatore Published: February 2, 2026 Share on Facebook Share on Twitter Share via Email Mark Mastrov(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. Subscribe Now Already a member? Log in Already a member? Log in here Tags:24 Hour Fitnes ATN Pro Gyms Mark Mastrov