I am a paediatric haematology specialist. In 1976, I participated in the first haematopoietic stem cell transplant in Spain, and since then I have performed over 500. I am a tenured lecturer in Paediatrics at the Autonomous University of Barcelona and the coordinator for the Spanish Bone Marrow Transplant Group. Founding member of the Spanish Section of Paediatric Haematology in 1976, of which I was president from 2003 to 2008. I was also a founding member of the Spanish Society of Paediatric Haematology and Oncology in 2008, being its first president. From 2007 to 2015 I coordinated the National Paediatric Protocols for Leukaemia and, since 2004, the Spanish Bone Marrow Transplantation in Children Group.