Valerio Della Bella, PhD, RN, is a nurse researcher specializing in organizational well-being, psychometrics, and advanced quantitative methods, including CFA, SEM, LPA, and multilevel approaches. His research focuses on the development and validation of measurement instruments, the evaluation of nurses’ work environments, and the impact of organizational factors on health and quality of care. He has expertise in conducting scoping reviews and systematic approaches to evidence synthesis. Dr. Della Bella has contributed to multicenter studies and peer-reviewed publications, and is actively engaged in projects aimed at promoting evidence-based management and improving healthcare organizations.