Kinesiology Institute Instructors

John Maguire, Founder and Director

John is the founder and creator of the Kinesiology Institute. He is the developer of the popular Kinesiology Certification and Mentorship Program, where many graduates have developed successful practices transforming people’s lives.

Holding degrees and certifications in Holistic Health, Applied Kinesiology, Neuro-Linguistic Programming, Postural Integration, Massage Therapy, Personal Training and Electro-Acupuncture, John draws from a breadth of knowledge and skill. He studied extensively with Dr. George Goodheart, DC the founder of Applied Kinesiology and he worked closely for several years with Dr. John Thie, DC, the creator of Touch for Health.

As an expert in muscle testing, John has taught tens of thousands of people from over 81 different countries. Since 1994, he has been a faculty member of the Anthony Robbins Life Mastery University, where his students are continually amazed by the profound and rapid results they receive using his easy-to-follow methods. John is known for his ability to make complex material practical and simple to understand.

John has won numerous awards in public speaking. He has shared the stage with Tony Robbins, Deepak Chopra, John Gray, and Caroline Myss. He is a sought after speaker who brings practical and relevant information and skills to his audience in a lively and entertaining manner. He is also an excellent musician and recording artist who livens up the crowd.

John divides his time between residences in Los Angeles and Hawaii, where people come from all over the world for “Seminars in Paradise.” He enjoys spending time there with his 14-year-old daughter.

Dr. Sheldon Deal, DC NMD, DIBAK

Dr. Sheldon Deal is licensed both as a Naturopathic and a Chiropractic Physician. He graduated from the Los Angeles College of Chiropractic as Valedictorian of his class. He has been in private practice in Tucson, Arizona for over forty years, where he operates one of the largest natural healing clinics in the Southwest He is head clinician of a staff of twenty people including six doctors.

When he first met Dr. Goodheart in 1970, Dr. Deal became interested in kinesiology, and was asked to be one of Dr. Goodheart’s study group leaders. He was one of the original group of physicians who later became known as the “dirty dozen”. It was this group that went on to form the nucleus of the International College of Applied Kinesiology – ICAK.

Dr. Deal served as Chairman of the College from 1978 to 1983. He is the past President of the ICAK Board of Examiners. He started teaching workshops on Applied Kinesiology in Phoenix, Arizona, along with Dr. John Stoutenburg. He has taught advanced kinesiology workshops in sixteen countries throughout North America, Europe and Australia.

He is the nutritional consultant for New Life Health Centers, and has contributed numerous research papers on Applied Kinesiology. He has always been a physical fitness buff, which passion once earned him the title of Mr. Arizona, and runner-up in Mr. Junior America.

He and his wife Cindy have four children, three of whom he delivered himself at home. One son is a Chiropractor and his daughter is the wife of a Chiropractor. He has 11 grandchildren.

Saci McDonald, CMT, CK

Saci McDonald is a certified massage therapist and kinesiologist with over 25 years of clinical experience. She teaches for the Kinesiology Institute in both the San Francisco Bay Area and in Europe. .

She is known for her clear and practical approach to teaching. She maintains a thriving private practice in San Rafael, California.

What Others are saying about Saci:

"Saci is one of my all time favorite teachers! I love learning from her. She inspires me to learn and has such an authentic and successful teaching style. I am in awe of this exciting work, which is noninvasive and deeply profound." Bettina De Sousa, CMT

​"Saci's excitement and enthusiasm are contagious. She is gracious in her critiques and generous in her praise, Her knowledge and experience are gifts to her students." Darla Donovan, CMT​