Les Mills, Whose Gyms Helped Popularize Aerobics, Dies at 91

Les Mills, a New Zealand Olympian and fitness pioneer, has died at the age of 91. He began with a small gym in Auckland that grew into a worldwide chain. His programs helped popularize group aerobics classes around the globe. The brand became known for structured, music-driven workouts used in many countries. His family built the business into a major name in the international fitness industry. The company’s classes are offered in thousands of gyms and studios worldwide. His death marks the end of an era for the modern group fitness movement. The fitness community is expected to pay tribute to his lasting influence on exercise culture.