Dr. Humphreys has practiced Tai Chi Chuan since the summer of 1979. He has taught classes in the beginning levels of the Yang Style short form (with the School of Tai Chi Chuan in New York City) in Chicago, the Chicago Suburbs, and Dallas Texas. Dr. Humphreys has also taught neurology at the National University of Health Science since the fall of 1986. He was Board Certified in Chiropractic Neurology in August of 1995. He holds a Master's in Science from Kent State University in Kent, Ohio and a Bachelors of Arts from Nasson College in Springvale, Maine. He has practiced in the Chicago Suburbs as a consultant in Chiropractic Neurology for nine years.