Gabriele Calaminus is a member of the Global Advocacy Working Group and a Past-President of the International Society of Paediatric Oncology (SIOP). An international expert on germ cell tumors and quality of life, Prof. Calaminus is with the Department of Paediatric Hematology and Oncology at the University Children’s Hospital in Bonn (Germany). Prof. Calaminus is a prolific author of numerous scientific publications and was instrumental in the establishment of key partnerships for SIOP, including that with the World Health Organization, Childhood Cancer International Parent’s Organizations (CCI) and with the Sanofi Espoir Foundation.