Dear Friends, Colleagues and Supporters of the Pediatric Neuro-Oncology Community,

It was our great pleasure to welcome you to the 20^th International Symposium on Pediatric Neuro-Oncology, ISPNO 2022 from 12 – 15 June 2022, and the Annual Meeting of the Brain Tumor Group of SIOP Europe (SIOPE-BTG) held in Hamburg, Germany, from 11 – 12 June 2022.