Accountability

The work of the Radiation Oncology Institute (ROI) – the ASTRO Foundation – is only possible because of the generosity of donors and sponsors. The ROI is committed to using every donation effectively to accelerate our mission. 

Bylaws
An organization's bylaws establish the internal rules for operating the organization. The ROI bylaws were last updated in November 2023. 
ROI Bylaws

Financials
Every year, the financials of ROI are audited by an independent firm, prepared in accordance with generally accepted accounting principles. 
ROI 990 for 2022
ROI Audited Financials for 2022

Impact
The outcomes from ROI supported research and education are promoted throughout the year at: 

• ROI on Facebook
• ROI on X 
• ROI on LinkedIn
• Quarterly email newsletter: The Visionary
• Annual Donor Impact Report