Carolyn McMakin, MA, DC 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 United States, Australia, Ireland and Europe. She has lectured at the National Institutes of Health and at numerous conferences in the US, England, Canada and Australia on the subjects of fibromyalgia and chronic pain syndromes.

Shannon Goossen, AP, LMT, CMTPT is a practicing Acupuncture Physician and Myofascial Trigger Point Therapist in Jacksonville, FL. Shannon has been in private practice since 1996 and a FSM practitioner since 2001. She graduated from Hendrix College in 1986 and received her bachelor degree in biology. In 1996 she was licensed in Florida to practice massage and completed post graduate training for Myofascial Trigger Point Therapy from the Pittsburgh School of Pain Management (formally the Academy for Myofascial Trigger Point Therapy). Then, in 2001 graduated from the Classical Acupuncture Institute. She is board certified by the National Certification Commission for Acupuncture and Oriental Medicine (Diplomate) the Myofascial Trigger Point Therapy National Certification Board, is a certified FSM instructor, and belongs to several organizations. She has been a contributing author for 2 text books and published several articles on myofascial pain. She is also on the editorial board for the Journal of Bodywork and Movement Therapy. Shannon has been presenting at national meetings and teaching seminars since 1998 on subjects including myofascial pain and dysfunction, active myofascial release, spinal disorders and rehabilitation, neurological evaluation, and the use of FSM in clinical practice. In 2009 she was invited to become a FSM Core Instructor and now teaches for FSS on the East coast. Shannon is passionate about teaching FSM because of what it has done for her patients and how it has changed her life.

Vanessa Cayle, MSPT opened the CranioSacral Institute of MI in early 2004 after finding CST for her own health concerns. She graduated from Grand Valley State University in 1992 with a BS in Health Science and in 1994 with a MSPT. She has been practicing PT in many areas since then. She started her career in Neurological Rehab at Rehab Institute of MI, moved to Acute care, Orthopedics, and Pediatrics at Sparrow Hospital, then on to school based therapy. Vanessa has taken Upledger classes in CST 1, 2, SER1, 2, Advanced CST and LDT. She is a certified presenter through Upledger Institute. She teaches 1 and 2 day classes in CST, lectures and presents on CST. She has also had training in Reconnection Healing. She has taken classes in Frequency Specific Microcurrent for: Core Training, Fibromyalgia, Advanced FSM, and the FSM Neurotransmitter Workshop. She is a certified FSM practitioner and sits on the National Advisory Committee for FSM.

Denise Curtis, M.Sc., PT, NMT is a physical therapist, nutrition scientist, exercise physiologist, researcher and published author. She held the position of senior lecturer at the National Training Centre (NTC) in Dublin, Ireland for over 15 years and has presented at national and international conventions and symposiums. Denise is a certified FSM practitioner, is advanced trained in FSM and sits on the National Advisory Board for the FSM Research Foundation. She is also a certified FSM instructor and is responsible for teaching the course in Ireland. Denise recently completed the first ever controlled trial on the effects of FSM therapy on delayed onset muscle soreness which has been published by Elsevier Science in the Journal of Bodywork and Movement Therapies (JBMT). In 2010, her research findings were presented at the 12th Scientific Conference in Sports and Exercise Medicine, at the Queen Mary University of London. Denise was recently presented with the Ruth Johnston memorial award for her outstanding contribution in support of FSM therapy. Denise is passionate about her work and divides her time between running her physical therapy clinic, teaching and research into the development of microcurrent therapy for the treatment of injuries and chronic pain.