About Our Drug Treatment and Drug Rehabilitation Advisory Board

NarcononŽ International Science Advisory Board

Narconon International Science Advisory Board members have all contributed in the fields of drug rehabilitation, education, toxicology and detoxification. They take an active role in Narconon's programs, outcome studies, and general research in the field of substance abuse.

Shelley Beckmann, Ph.D.

Dr. Beckmann holds a Ph.D. in Molecular Biology and has published numerous papers on the efficacy of detoxification. She currently serves as the Research Director for Narconon International.

Paolo Bruschelli, M.D.

Dr. Bruschelli received his degrees in Surgery and Anesthesiology from the University of Perugia in Italy. He is also a specialist in sports medicine. Currently, he is Medical Director of the National Office of Narconon Italy. He holds degrees in both Surgery and Anesthesiology.

William L. Marcus, Ph.D., D.A.B.T.

Dr. Marcus is Senior Science Advisor and Chief Toxicologist for the United States Environmental Protection Agency. He has conducted groundbreaking research in the field of environmental toxicology and pharmacology.

W. Kent McGregor, M.S.W., A.C.S.W.

Mr. McGregor received his B.S. in psychotropic pharmacology and drug interactions and his Masters of Social Work from the University of Houston, specializing in administration and evaluation. He has served for the State of New Mexico as Director for Drug Treatment and Prevention. He is currently a surveyor for the national Commission on Accreditation of Rehabilitation Facilities (CARF).

Alfonzo Paredes, Sr., M.D.

Dr. Paredes is Board Certified by the American Board of Psychiatry and Neurology. He has been Chief of the Substance Abuse Program for Brentwood VA Medical Center and Assoc. Chief of Psychiatry/Substance Abuse for the West Los Angeles VA Medical Center. As well as authoring numerous published papers on substance abuse, Dr. Paredes reviews for five prominent scientific journals.

David E. Root, M.D., M.P.H., D.A.B.P.M.

Having mastered in Public Health, he is also a Board Certified Physician in both Aerospace and Occupational Medicine. Dr. Root has utilized the detoxification procedure developed by L.Ron Hubbard for over ten years to treat patients adversely affected by toxic chemicals or drugs. Dr. Root chaired the First International Conference on Human Detoxification.

G. Megan Shields, M.D.

Dr. Shields graduated from the Medical College of Virginia and is a Diplomate of the American Board of Family Practice. She is a frequent presenter at conferences on substance abuse and public health, as well as being the author of many scientific papers on the role of detoxification. Dr. Shields is the International Medical Advisor for Narconon.

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