The following companies have provided (Educational) Support to the 55th Annual SIOP Congress.


This support has been given without any input or influence on the content.




SIOP expresses its sincere gratitude to Sanofi for their generous support of SIOP23, both in person and online.


SIOP extends its heartfelt thanks to Bayer Healthcare for their generous support of SIOP23.


SIOP acknowledges the Texas Children’s Hospital for their support of the Young SIOP Network Educational Day.


SIOP also extends its appreciation to Texas Children’s Hospital – Global Hope for their support of the Nurse Round Table Luncheon.


SIOP extends its profound gratitude to the following organizations for their generous grants in support of SIOP23:


Acuitas Therapeutics

Bayer Healthcare

Cole Foundation


Miracle Marnie Foundation Canada

Ontario Institute for Cancer Research

Ottawa Sports and Entertainment Group

Pediatric Oncology Group of Ontario