Membership and Financial Health

Together, we make IT happen.

The Society for Immunotherapy of Cancer (SITC) is the world’s only member-driven society dedicated to professionals working in the field of cancer immunotherapy. SITC members dedicate their time and talent to advance science, discover breakthroughs and educate the world on cancer immunotherapy. In short: to make the word “CURE” a reality for cancer patients everywhere. 

Membership

Join or Renew Your SITC Membership

"SITC has given me a whole different level of understanding on what science and research is being done across the country and who is doing it." Jillian Hunt, MSN, APRN, FNP-C, AOCNP

By the Numbers

4,235
total members
5%
INCREASE IN STUDENT MEMBERS
60%
HAVE BEEN MEMBERS FOR TWO YEARS OR LONGER

International Growth

Cancer remains one of the leading causes of death worldwide. By eliminating barriers to access, SITC has significantly expanded membership and participation across new regions around the globe. Further, to support the global immunotherapy community, SITC is committed to providing free annual membership and access to educational resources to those residing in low- and lower-middle-income economies (LMIEs). To learn more about SITC’s global efforts, click here.

93 countries were represented by SITC members in 2025 vs. 88 countries in 2024.

Volunteerism

Volunteers shape the direction of SITC’s strategic initiatives which in turn directly influence the immunotherapy field. Together, SITC volunteers are leading the field, elevating cancer immunotherapy as a standard of care. To chart the future, consider volunteering with SITC.


868
Volunteers
549
Committee Members
27
Committees
16
Cancer Immunotherapy Guidelines Expert Panels
2
Task Forces
4
WORKING GROUPS

Corporate Membership

A SITC corporate membership provides organizations in the field of cancer immunotherapy and cancer research a forum to address common issues impacting the field with the goal of improving cancer patient outcomes.

Corporate Council Members

Janssen

Corporate Members

Molecular Partners

Mural Oncology

To join the discussion and become a corporate member, visit: sitcancer.org/corporate-membership

Biotech Membership

The SITC Biotech Community Membership program is designed to ensure the entire biotech ecosystem has access to education, networking, partnership and other growth opportunities through accessible and unique initiatives specific to the biotech community. Our goal is to ensure any entity within our vibrant IO biotech ecosystem has access to the programs developed by the Biotech Committee and shares in the recognition of our field’s success. Members of the Biotech Community share in the vision of 100 novel IO agents by 2034.

To join the discussion and become a biotech member, visit: sitcancer.org/about/strategic-initiatives/biotech-membership

Financial Health

SITC remains financially strong, with more than $20M in unrestricted net assets, equivalent to nearly two year’s worth of operating expenses. In 2025, operating income totaled approximately $10.3M while operating expenses were $13.4M, resulting in an operating net loss of just over $3.1M. Investment income is projected to offset $900K of this loss.

During 2025, SITC experienced continued declines in Industry support and attendance across several educational and scientific programs. These trends were compounded by broader financial uncertainty stemming from early-year executive orders and tariffs, as well as a government shutdown that extended through the SITC Annual Meeting. As a result, attendance was impacted across SITC’s programs, with the most significant effect seen in the Annual Meeting & Pre-Conference programs where registration decreased by 25% compared with 2024.

SITC leadership has closely monitored attendance and over the past several years and in the first half of 2025 completed a comprehensive review of programs and financial strategies in partnership with an external consultant. Informed by this analysis and guided by a commitment to better serve members and stakeholders, SITC will refine existing programs, products, and services in the year ahead and implement targeted changes designed to strengthen engagement and reduce operating net losses.