Antonis Kattamis is a Professor of Pediatric Hematology–Oncology. He received his MD degree (cum laude) in 1988 from the National and Kapodistrian University of Athens. He completed his training in Pediatrics at the University of Texas Health Science Center in San Antonio, USA, and in Pediatric Hematology–Oncology at the Children’s Hospital of Philadelphia, University of Pennsylvania School of Medicine, USA. He is the Head of the Division of Hematology–Oncology of the First Department of Pediatrics, National and Kapodistrian University of Athens, “Aghia Sofia” Children’s Hospital, Athens, Greece. He has given many lectures around the world at national and international meetings, including ASH and ΕΗΑ. He has participated in numerous clinical trials and collaborative research programs, funded by the European Union (FP7), the University, and pharmaceutical companies. He has served on the Steering Committees in pivotal clinical studies. He has participated in SIOP-E and iBFM oncology protocols and is the National Coordinator for SIOPE-BT neuro-oncology studies.