Kayla Itsines is an Australian fitness trainer and the creator of the renowned Bikini Body Guides and the Sweat app. With a focus on high-intensity workouts and interval training, Kayla has transformed the way women approach fitness. Her accessible and effective workout programs, designed to be done at home or the gym, have helped millions achieve their fitness goals. 

Kayla emphasizes short, effective workouts that fit into busy lifestyles, making fitness attainable for everyone. Her dedication to empowering women through fitness and wellness has earned her a global following and cemented her as a leading figure in the fitness industry.