Principal investigator in many different research projects (clinical, epidemiological and management subjects): Overcrowding evaluation, patient flow, overcrowding reduction strategy; Prediction rules for admission and discharge; Quality of care evaluation in high dependency units; Evaluation of frailty and complexity in the ED: Sepsis prognostic scores; Effectiveness and feasibility of chest pain clinical prediction rules in the ED; clinical characteristics of COVID-19 patients. In the field of Disaster Medicine: Hospital preparedness of ED and blood banks, Psycological stress in first responders to MCI and COVID-19 pandemic, Differences among the Italian COVID-19 pandemic waves. Interest in epidemiology, statistics, data analysis and critical appraisal of manuscript preparation. Pair reviewer for international journals.