Mariella Gastañaduy received her MPH in epidemiology from Tulane University School of Public Health in 2005 and is currently a doctoral candidate in the department of Behavioral and Community Health Sciences at the Louisiana State University School of Public Health. Mariella gained substantial experience in injury epidemiology and surveillance while working at the LA Office of Public Health, as the injury epidemiologist. There she managed, analyzed and reported on large injury datasets, and served as an epidemiologist in injury prevention coalitions. She has also been involved in program evaluation studies, were she helped with logic models, data analysis, and reporting. Her background is on the design, analysis and interpretation of observational studies, as well as on theories behind determinants of health that operate at individual, familial, organizational, and community levels. Her research interests include childhood obesity and falls in older adults.