International Eurasian Academy of Sciences, IEAS

Academician

Konstantinos Eleffheriadis

Profile:

Elected an Academician of the International Eurasian Academy of Sciences (IEAS) on 28 June 2015, Dr. Konstantinos Eleftheriadis is a leading Greek atmospheric scientist and internationally recognised authority on the physicochemical characterisation of aerosols and their implications for climate, air quality, and human health. With more than 25 years of continuous research at the National Centre for Scientific Research “Demokritos” (NCSR Demokritos), he currently serves as Director of Research and Head of the Aerosol Group at the Institute of Nuclear and Radiological Sciences & Technology, Energy & Safety (INRASTES), where he also leads the Environmental Radioactivity and Aerosol Technology for Atmospheric and Climate Impact Laboratory (ENRACT). A founding member and current President of the Hellenic Association for Aerosol Research, he serves as Greece’s National Counterpart in regional programmes of the International Atomic Energy Agency (IAEA) and as a member of the National Emergency Action Plan “Xenokratis.” His leadership in establishing and operating the Athens GAW/ACTRIS station and the high-altitude Helmos Hellenic Atmospheric Aerosol and Climate Change station has strengthened Greece’s contribution to European and global atmospheric monitoring networks.

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Dr. Eleftheriadis’s research focuses on the physicochemical characterisation of atmospheric aerosols, advanced sampling and measurement techniques, and the application of nuclear analytical methods to environmental science, with particular emphasis on climate-active aerosol species, nanoparticle metrology, source apportionment, and human exposure to heavy metals and radioactive pollutants. Through sustained leadership of field campaigns in the Arctic, Eastern Mediterranean, and urban environments, he has advanced understanding of aerosol mass variability, long-term black carbon dynamics in the European Arctic, and the influence of local and regional sources on urban air quality in Athens. His representative studies address long-term aerosol black carbon observations at Zeppelin Station in Svalbard, urban aerosol source apportionment and size distribution, aerosol variability in Athens, pollution sources and aerosol mixing state, and the composition of nucleation-mode particles in the High Arctic. Collectively, his work reflects a sustained contribution to fundamental aerosol science and its application to air-quality management, climate assessment, and environmental health across the Eurasian region.