Sílvia Caldeira is Associate Professor with Aggregation at Universidade Católica Portuguesa (UCP), Lisbon, a position she held since 2013. She is an integrated researcher of the Centre for Interdisciplinary Research in Health and coordinator of the Ph.D. in Nursing in UCP. Her clinical background is in adult intensive care from 2000 to 2006, and in pediatrics and neonatal intensive care from 2006 to 2008. Master’s degree in Bioethics (2008) and Ph.D. in nursing in 2013. She was a postdoc fellow at School of Nursing and Midwifery, Trinity College Dublin, in 2015.She is an elected member of the Diagnosis Development Committee of NANDA-I, since 2014, and member of the editorial board of the International Journal of Nursing Knowledge, since September 2019. As coordinator of the NANDA-I Portugal Network Group and Ph.D. supervisor, she leads research concerning nursing diagnoses validation in different population and based on different methods, such as, development of complex interventions, Q methodology, longitudinal research, methodological research, mixed methods, surveys, qualitative, RCT and evidence synthesis (scoping review, systematic review, qualitative synthesis). In fact, studying nursing diagnoses and different strategies to improve NANDA-I classification is one of the main goals of this group, which is research driven and outputs include several chapters, books, papers and communications, particularly about spiritual distress, resilience, spiritual coping, hope, spiritual comfort, spiritual care, and forgiveness.