Dr. Maria G. Grammatikopoulou is an Assistant Professor in Nutrition and Dietetics. She is an Assistant Professor of Nutrition and Dietetics at the Department of Medicine, University of Thessaly, Greece. She is an ELMO ambassador, working as a Dietitian-Nutritionist affiliated with the Department of Rheumatology and Clinical Immunology of the University General Hospital of Larissa, responsible for the Immunonutrition Unit. Research-wise, she is active in lifestyle medicine with an emphasis on nutrition, meta-research, and research methodology. Her citation index is 14595, and her h-index is 29. She is a member of the editorial board of several scientific journals.