Alan Siegel M.Sc, N.D. is the former founder and director of the Polarity Center in San Francisco, California and New City, New York. He also founded the School of Energetic Studies and Healing in Nyack, New York. He is a former president of the American Polarity Therapy Association having served in that capacity for 3 years before retiring in 1981. He is currently living in both San Miguel de Allende, Mexico and Bali, Indonesia where he teaches and practices on a part time basis. He has been involved in the health care field for over 40 years. He studied Polarity Therapy with the late Pierre Pannetier, successor to Dr Randolph Stone, the founder of Polarity. Phil Young RPP, RPE is also a former President of the American Polarity Therapy Association serving from 2003 - 2005. He is a Director of Masterworks International, a global consultancy based in Southern Ireland, dedicated to offering quality trainings and publications in the field of natural health, spirituality and the exploration of man's potential for growth and evolution. He teaches Polarity Therapy worldwide.