YAS Fitness Centers feature Yoga for Athlete and indoor cycling classes. YAS branded merchandise is sold at each location and include apparel, Yoga DVD's, yoga accessories and books. The target audience at YAS is known for the perfect Yin/Yang workout. YAS is the top yoga & cycling studio in CA, and they attract strong, type A personalities who demand a safe, fun & effective workout. YAS Fitness Center was founded in 2001 by Kimberly Fowler, a triathlete and health and fitness expert, looking for a way to make yoga more relevant to athletes.