The SIOP 2026 Summary Report is now available, with highlights from the Congress, the most-attended sessions, and this year’s award recipients.

SIOP mourns the passing of Dr. Jonathan Finlay, a visionary pioneer in paediatric neuro-oncology whose groundbreaking Head Start trials transformed the treatment and care of children with brain tumors worldwide.

We are pleased to announce that the SIOP Asia 2026 Congress Abstract Book is now officially published with a DOI number: https://doi.org/10.68542/1

We thank all authors for their contributions and the Scientific Committee for their dedication in reviewing the submissions.

The Annual Business Meeting recording and pre-reads are now online, and members can vote until Oct 30.

The SIOP Rehabilitation and Physical Medicine Working Group is seeking a Co-Chair and three Steering Group members, with self-nominations open until November 30.

The SIOP Paediatric Psycho-Oncology Network is seeking two new Steering Group members for a three-year term, with applications open until November 30.

Following a thorough technical review, SIOP’s membership platform and website infrastructure remain fully secure and unaffected by the recently disclosed PHP security vulnerabilities.

SIOP North America (SIOP-NA) is pleased to open the Call for Self-Nominations for the position of Secretary. This leadership role is central to SIOP North America’s governance and communication with its members, and we invite motivated members to apply.
Nominations are open from October 22, 2026. The deadline for self-nomination is November 22, 2026, 1pm CET/Geneva.