Alexandros Makis received his MD degree in 1995 from the University of Ioannina Greece, where he also obtained his Ph.D. (Cytokines and acute phase proteins in sickle cell disease). He was trained in pediatrics at the University Hospital of Ioannina, Greece. He specialized in pediatric hematology at the “Aghia Sophia” Children’s Hospital, Athens, Greece and at the Great Ormond Street Hospital for Sick Children, London, UK. He has served as a consultant at the University Hospital of Ioannina, Greece (2003-2008), as a Lecturer in Paediatrics/Paediatric Haematology at the University of Ioannina, Greece (2008-2012), and as an Assistant Professor (2012-2018), and since May 2018, he has held the post of Associate Professor at the same University. Over the last 15 years, he has had a combined role as a general pediatrician with special responsibility for non-malignant hematology. His areas of research interest are hemoglobinopathies, immune cytopenias, iron metabolism, pediatric myelodysplastic syndromes, and host defense during infections.