Dr. Mojtaba Mafi M.D Doctor/Physician, graduated from Tehran University of Medical Sciences, studied in neurosurgery ward and graduated with A score in thesis on Meningioma Brain Tumor during 6 years. Besides continuing his practice with special consideration on psychosomatic disorders, he did many post graduate courses on health psychology, addiction medicine, sexual disorders therapy, Nutrition, Gastroenterology and Hepatology, Obesity treatment and diabetes successfully. He is working as an associate of Iran Hepatitis Network and Gastroenterology and Hepatology research center, Middle East Liver Diseases Center (MELD) and as a director of fatty liver and related metabolic disorders study among Iranian families since 2015. He is an editorial board member of International Journal of Psychology and Neurosciences, currently publishing the results of our study and research about fatty liver and hyperlipidemia, diabetes and nutrition as study director and clinician associate member of Iran Hepatitis Network. Some additional Affiliations include as a reviewer and associate editor of Hepatitis Monthly Journal, Journal of Clinical and Translational Hepatology, Certified Mentor of Publons academy in the field of Clinical Medicine and Hepatology. He has been a renowned and distinguished speaker and OCM for many international conferences held globally.