While progress has been made in the global fight against HIV/AIDS, HIV is on the rise in Eastern Europe and Central Asia (EECA), where the epidemic is growing and deaths from AIDS-related illnesses have increased significantly in the last 20 years. The ground-breaking RADIAN partnership between the Elton John AIDS Foundation (EJAF) and Gilead Sciences was established to address the challenges in EECA, aiming to leave no one behind in the global effort to end the epidemic.This session will shine a light on HIV in EECA and provide the latest news and updates on the RADIAN partnership, including announcements of the first RADIAN Model Cities and RADIAN Unmet Need Funds recipients. It will feature perspectives from EJAF, Gilead and local EECA representatives to understand the challenges faced by the HIV community in EECA, details on the initiatives that will be funded by RADIAN and insights from high-profile representatives.