Roseann Knabe—Founder and Master Trainer Roseann has been a fitness instructor for over 20 years. Founder and developer of the Exero™System, and a master trainer of the DualStar Pilates Institute. Roseann has taught various Step and Aerobic classes, Yoga, Aqua, and Pilates. Roseann incorporates all of these disciplines to maximize her clients’ results so that they may achieve their optimum fitness goals. Roseann is a graduate with a Bachelor of Science degree from New Jersey Institute of Technology, class of 1987.