About Us

Linda Lancaster, PhD

Founder & President, GFIM

Light Harmonics Institute


Dr. Linda is an integrative health practitioner, internationally recognized in scientific communities as a catalyst for the integrations of all medicines in the interest of world peace. For over 3 decades, she has been involvedĀ in fostering communication, scientific exchange and healing within the global integrative health community through chairing international conferences and forums, such as World Congress of Integrative Medicines.

John Sherdon, DOM

Secretary Treasurer, GFIM

Light Harmonics Institute

Dr. John Sherdon is a practicing DOM and Acupuncturist in Sante Fe, NM & New York, NY. He works closely with Dr. Lancaster at the office of Light Harmonics integrating his Eastern Medicine training with Nutrition, Homeopathy & Western Herbology. His work at GFIM is a labor of love going back to the roots of his training starting in 2003 with Prof. Dr. Anton Jayasuriya in Sri Lanka.