Having invested in a wealth of health and fitness businesses, Mastrov tells Liz Terry why he’s bought back the company he started in 1983 – 24-Hour Fitness.

As Crunch Fitness gears up to be sold, Kate Cracknell talks to CEO Jim Rowley about its journey to profitability

HCM is celebrating 300 issues this month and reflecting on the journey so far, says Liz Terry

At-home pilates reformer brand Frame Fitness has secured a US$5m seed financing round led by Mark Mastrov, founder and former CEO of 24 Hour Fitness.

IHRSA’s new chair shares his plans for his time at the organisation and discusses his role at private-equity firm NeV

The joint CEO of Mrs.Sporty talks to Kate Cracknell about a new functional training model and international expansion