Eleftheria Hatzidaki is a Paediatrician–Neonatologist, Associate Professor of Paediatrics–Neonatology at the University of Crete, and Director of the Neonatology Clinic and Neonatal Intensive Care Unit (NICU) at the University General Hospital of Heraklion, Crete. She completed advanced clinical training in the NICU of St George’s University Hospital in London. She has successfully completed six postgraduate programmes and is a member of 13 scientific societies. She serves on the editorial board of one journal and is a reviewer for 47 international peer-reviewed journals. She has delivered more than 100 invited lectures at national and international conferences and workshops, as well as in seven public scientific outreach events. She has also served as chair in 50 conferences and symposia and as a member of organising and scientific committees in more than 70 academic events.

She has 87 international peer-reviewed publications and 39 Greek publications, 9 book chapters, 91 presentations at international conferences and 206 at national conferences. She has received 2.287 citations and holds an H-index of 22 and an i10-index of 43 (November 2025). She has participated, and continues to participate, in 36 research projects and multicentre clinical studies, as well as in four funded research programmes, serving as Principal Investigator in two of them and as a member of the research team in the remaining two.

She is actively involved in undergraduate medical education, contributes to six postgraduate programmes, and participates in continuing professional training. She supervises three doctoral theses and eight master’s theses, and serves on the advisory committees of nine doctoral theses and ten master’s theses. She is a member of the Coordinating Committee of the MSc Programme “Vaccines and Infection Prevention”. She maintains an active role in administrative bodies and committees of the Medical School, the University Hospital of Heraklion, the University of Crete, the Panhellenic Medical Association, the Hellenic Neonatal Society, the Hellenic Society of Perinatal Medicine, and the Central Health Council.