President of the International Society of Paediatric Oncology (SIOP) since May 2021

Specialist at the Haemato-Oncology Service, JP Garrahan Paediatric Hospital, Buenos Aires, Argentina.
Paediatric Haemato-Oncology Service, Memorial Sloan-Kettering Cancer Center, New York, USA, 1995.
Haematology Service, Hannover Medical School (Medizinische Hochschule Hannover – MHH), Germany, 1999.
Grant, Fund for Ophthalmic Knowledge (New York, USA) for a two-month research rotation at the Memorial Sloan Kettering Cancer Center and the New York Presbyterian Hospital, november 2002.