Dr. Olko’s main scientific interests and competence are microdosimetry, dosimetry, solid state detectors, radiation protection, medical physics and proton radiotherapy. He’s published more than 150 publications in international scientific journals. He was involved in activities of numerous national and international committees and organizations. Between 2004-2007 he was the Chair of the International Solid State Dosimetry Organization (ISSDO). Since 2002 he is a member of the EURADOS Council and since 2005 a member of the Article 31 Group of Experts, EC, Luxemburg. Dr. Olko was elected to the Commission in 2016.