Hamid Reza Sheikh Roshandel, M.A. (Iranian Traditional Medicine), Ph.D (Nutrition & Holistic Health) is a leading dietician and nutritionist in Iran.

People visit his successful Sib Diet Clinic of 17 years in Tehran to obtain advice on how to adhere to a balanced and healthy diet to maximise health. He also specialises in pulse reading, an art which he has learned from the famous veteran Ayurvedic physician Dr. Brihaspati Dev Triguna (an expert in nadivigyan, the ayurvedic technique of pulse diagnosis) in New Delhi.