Johnny Gillespie has been presenting for the National Strength and Conditioning Association (NSCA) since 2005. Gillespie is the founder of Plexus Fitness and Empowered Yoga in Delaware. Plexus Fitness operates public fitness centers, a CrossFit box, and offers an array of health and fitness services in corporations, country clubs, and private in-home settings. Empowered Yoga is a practical approach to the healing art of yoga, incorporating modern-day exercise science and mindfulness-based principles. Empowered Yoga operates three individual yoga locations. Gillespie regularly appears on TV and radio as an expert on health, fitness, and yoga.