SIOP is at the forefront of education and research in paediatric oncology. SIOP has 3,000+ members worldwide and its Annual Congress is typically attended by 3,100 healthcare professionals from 110 countries. Join our SIOP Community now and help raise awareness for children and adolescents with cancer.

JOIN SIOP today and enjoy these benefits:

  • Reduced registration fees for the SIOP Annual Congress
  • Free subscription to the Pediatric Blood and Cancer or European Journal of Oncology Nursing
  • Free access to regular e-newslettersonline forums, events and learning opportunities
  • Free access to our Knowledge Centre with CME-accredited learning modules and scientific sessions from past Congresses
  • Eligibility for SIOP scholarships and awards
  • Free access to all SIOP programs and activities
  • Free access to networking (SIOP CONNECT) and professional development opportunities
  • Opportunities to learn from and exchange knowledge with other pediatric oncology professionals
  • Eligibility to run for office and to vote for SIOP Leadership Positions