Net Worth

Mark Mastrov: Architect of the Fitness Empire Mark Mastrov stands as the visionary behind 24 Hour Fitness, a revolutionary concept that transformed the fitness industry. His $400 million net worth reflects his business acumen and unwavering commitment to fitness. Building a Fitness Legacy Mark Mastrov, born in Oakland, California, co-founded 24 Hour Fitness in 1983. This concept made exercise accessible and affordable to a wide audience. 24 Hour Fitness expanded to over 400 locations worldwide, solidifying its status as a fitness powerhouse....