Dr Evangelia Ntzani, MD, PhD is an Adjunct Professor of Health Services, Policy and Practice at the Brown University School of Public Health. Evi is an epidemiologist with a clinical background in pediatrics and serves as Professor and Head of the Department of Hygiene and Epidemiology at the University of Ioannina School of Medicine, Greece. She is a member of the European Food Safety Authority CONTAM Panel and the Chair of the SAPEA Working Group on Pesticide Toxicity Assessment. Dr Ntzani is coordinator and investigator in grants on research methodology, evidence assessment, environmental epidemiology, genetic epidemiology of complex diseases and motivating behavioral change across diverse areas. Her research interests yielding publications of more than 12,000 citations include evidence-based medicine, assessment of large-scale clinical and molecular information, clinical and molecular epidemiology, and research methodology and bias.