25 years after working to dance professionally in NYC, Ruth stepped into her first indoor cycling class at the Reebok Club on the Upper West Side in NYC. Not long after that, an entire movement (and arguably a new sector of the fitness industry) was born.  Industry icon Ruth Zuckerman discusses everything from the initial hurdles of expansion, maintaining authenticity, the history of the early days of Soul Cycle & Flywheel, and provides her two top pieces of advice for all entrepreneurs in the HALO sector.