Carolyn McMakin is the leading authority and developer of Frequency Specific Microcurrent (FSM). She maintains a part time clinical practice, participates in research and teaches seminars on the use of FSM in the USA, Australia, Ireland and Europe. She has lectured at the National Institutes of Health (NIH) and at numerous conferences in the USA, UK, Canada and Australia on the subjects of fibromyalgia and chronic pain syndromes.