Gabriele Escherich is working as a senior physician in pediatric hematology and oncology, head of outpatient clinic and day care clinic at the department of pediatric hematology and oncology, University medical center Hamburg-Eppendorf since 1992. For many years, research interest has focused on the treatment of children with acute lymphoblastic Leukemia. Since 2009 co-chair and since 2018 chair of the CoALL frontline trial for children with acute lymphoblastic leukemia mandated by the GPOH. As a board member of the ALLtogether consortium and national coordinator for Germany I had a significant influence on the development the first ALLtogether trial for the treatment of children and young adolescents with acute lymphoblastic leukemia. Beside this Gabriele Escherich is a member of the German Society of Pediatrics, the German Society of Pediatric Hematology and Oncology (GPOH) and the International Society of Pediatric Oncology (SIOP). Valentino Conter is working as a consultant in the pediatric hemato-oncology center of the IRCCS San Gerardo (Monza), Milano-Bicocca University. His research interest has focused mainly on the treatment of children with acute lymphoblastic Leukemia (ALL). He has been a member of the AIEOP (Italian Association of Pediatric Hemato-Oncology) ALL scientific committee since 1990, chair of the same committee from 2012 to 2018, principal investigator for AIEOP in the AIEOP-BFM (Berlin-Frankfurt-Münster) ALL 2009 study, and chair of the ALL Committee of the International BFM Study Group from 2004 till 2013.

Valentino Conter has been involved since 1986 in outreach programs for pediatric hemato-oncology in low-middle income Countries and is a member of AIEOP and of the International Society of Pediatric Oncology (SIOP).