Prof. Dr. Oleg Kamenev – Doctor of Natural Medicine, Chair of the International Co-operation Community of Hirudopractitioners – ICCHP-, health coach and Founder of the Hiruline Leech products Corporation
Prof. Dr. Albert Krashenyuk – Doctor of Medicine (virusologist), Chair of the First in the World Leech therapy Kathedra since 1996.
Dr. Larisa Meltchenko, Doctor of Medicine (Endocrinologist, Gynaecologist)
Dr. Saurabh Sharma – surgeon Ayurvedic medicine practitioner.
Prof. Dr. Müfit Toparlak – Parasitologist at İstanbul University,Veterinary Faculty,Parasitology Department /Turkey
Dr. Magdalene Westendorff, Doctor of Biological Sciences (Natural Health Professional, Hirudotherapist)