SIOP continues to be at the forefront of education and research in paediatric oncology. SIOP has over 3,600 members worldwide and its Annual Congress attracts 3,300+ healthcare professionals from 110 countries. Join our SIOP Community today!

Join SIOP as a Member

We welcome your interest in being part of our vibrant international community of paediatric oncology professionals.

JOIN

Categories / Fees

Choose the category that fits you. Take a look at the fees for one- and two-year membership.

Categories and Fees

Benefits

SIOP continues to be at the forefront of education and research in paediatric oncology. Only as a SIOP member can you access a vast range of exclusive benefits.  

Membership Benefits

Showcase Your Work

If you join or renew your SIOP membership prior to April 1, SIOP will feature your new publications in the SOSIDO Weekly Digest. SOSIDO pulls together all new publications by SIOP members in world renowned journals.

SOSIDO

Questions?

Kindly contact our membership team at membership@siop-online.org

Free SIOP Memberships for 2025

If you live in a LIC/LMIC/UMIC country and you cannot afford to pay the SIOP membership fee, you can apply for a free membership for 2025. Past recipients of free memberships should not apply. Please note we have more requests that we can accommodate and an application does not guarantee a free membership. Click here to apply