Oleksandra (“Sasha”) Ivashchenko is a Medical Physics Expert and Assistant Professor at the Department of Nuclear Medicine and Molecular Imaging, University Medical Centre Groningen (UMCG). Her research focuses on personalized dosimetry and optimizing the image quality–to–radiation dose balance in PET/CT and SPECT/CT, with special attention to vulnerable groups such as children and pregnant patients. She leads AIdriven projects that aim to reduce imaging-associated radiation exposure without compromising diagnostic accuracy. Sasha is active in international standardsetting and collaboration as a member of the SNMMI MIRD Committee and as a leader within EFOMP working groups on internal dosimetry. Recently, she received a grant from the Hanarth Fonds, an AI-focused foundation supporting innovations that improve cancer care, with a particular interest in rare cancers.