About the Society

The Society of Interventional Oncology (SIO)

The Society of Interventional Oncology (SIO) is a non-profit association that supports and promotes the field of interventional oncology (IO).

SIO provides a community for IO professionals to connect and work together to advance IO as the fourth pillar of cancer therapy worldwide alongside medical, surgical and radiation oncology. SIO offers a space for IO practitioners to continue their professional development, access advocacy and research, and engage in idea-sharing with peers.

SIO was established in January of 2017 by the Board of Directors of the former conference WCIO, now known as SIO's Annual Scientific Meeting.


To advance Interventional Oncology (IO) as the fourth pillar of cancer therapy alongside medical, surgical, and radiation oncology worldwide. 


SIO's mission is to advance interventional oncology by developing evidence supporting IO therapies, educating IO practitioners, and improving patient access to IO therapies. 


SIO provides relevant research and advocacy, offering the latest insights via several publications, including:

Screenshot 2021-11-11 132825.pngJOIN SIO

SIO members have access to numerous personal and professional benefits, resources for growth and support, access to the latest science, and more! SIO members receive access to exclusive year-round offerings from some of the leading IO physicians in the field, including:

  • SIO publications
  • Discounted registration for the SIO Annual Scientific Meeting
  • Education offerings such as webinars, podcasts, and other CME earning opportunities
  • Advocacy through guidelines, clinical trials, and more
  • Research and grant access

SIO offers several membership options to best meet your needs.

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