The GPACT Advisory Board

The GPACT Advisory Board consists of a group of qualified GPACT Certified Colon Hydrotherapists, medical and business professionals having a broad scope of knowledge of the colon hydro-therapy industry. These volunteers understand the mission of the association and its members thus work diligently to assist the profession at large.

The advisors are entrusted with working on issues that vary from advocacy, legislative work, jury instructor applicants, on-site inspections, management of grievances among other tasks.

Should you require assistance from the advisory board, please email with your complete information including:

    • Name
    • Country and State if are a member of GPACT
    • Purpose of your contact with the advisory board
    • Any grievances should include any supporting information that you may provide.

Medical Advisors

Allopathic Medical Advisor

Dr. Chris Demetriou
Board Certified in Internal Medicine,
Gastroenterology, and Hepatology

Naturopathic Medical Advisor

Dr. James Pendleton
Licensed primary care physician with full prescriptive authority for primary care in Alaska, Arizona, California, Hawaii, and Washington State specializing in the naturopathic approach to family medicine.

Your GPACT Scientific Liason

Priscilla Cobb

Priscilla Cobb


Introducing Priscilla Cobb who liaises with Melisa Bunderson – Schelvan, Ph.D., and GPACT other Certified Colon Therapist in her scientific pursuit to gain additional credibility for our industry with clinical research. Without research, we are limiting our opportunities to share this therapy on a mass scale for many purposes that only science can prove.

Additional responsibilities include interaction with the media, submitting and responding to articles on the behalf of GPACT.


We are a global industry. We know that therapists worldwide are seeking representation, licensure, and the credibility that they have earned.


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