Join SIO

Extended Membership Now Available!

For a limited time, join SIO with the Extended Membership option and enjoy full member benefits through 31 December 2026. Sign up by 30 September to take advantage of this exclusive offer.

About SIO Membership

The Society of Interventional Oncology (SIO) is a non-profit society that supports and promotes the field of interventional oncology (IO) as the fourth pillar of cancer therapy. Join SIO to save on conference registration, gain access to a global network of professionals within the field, as well as other membership benefits.

To become a new SIO member, review the membership options below and sign up using our brief intake form.

Active Membership

Rate: $825

This membership level is for physicians who practice interventional oncology, or a related field, and PhD-acquired scientists.

Join Now as an Active Member

Early Career Member

Rate: $112

This membership level is for medical residents, fellows, post-doctoral research fellows, and PhD students. Proof of standing required. International early career members recieve $25 off the price of membership.

Join Now as an Early Career Member

Medical Student Member

Rate: Free

This membership level is for students of interventional oncology or a related field. Please note, you must be a MS1-MS4 medical student and show proof of enrollment to qualify for this membership type.

Submit a Medical Student Membership Application

International Member

Rates: Low Income: $100 | Lower-Middle Income: $120 | Upper-Middle Income: $180

This membership level is for physicians who reside in a country with a low per-capita income, as defined by the World Bank list of Economies.

Join Now as an International Member

NEW! International Resident Member

Rate: $50

This membership level is for individuals who are in their residency. Proof of standing required.

Join Now as an International Resident Member

Allied Member

Rate: $480

This membership level is for individuals who are not physicians but identify as a medical professional, research assistant, or health specialist who supports activities related to interventional oncology.

Join Now as an Allied Member

Emeritus Member

Rate: $450

This membership level is for retirees in the interventional oncology or related field. Approval by the Membership Committee is required.

Submit an Emeritus Membership Application

Create Guest Account

If you are looking to make a purchase or attend an event as a non-member, please create a guest account.

Create a Guest Account