Stergios Misios is a physicist with PhD on atmospheric physics and climate modelling by the Max Planck Institute for Meteorology, Germany. He has worked as a post-doctoral research associate at the Department of Physics, Aristotle University of Thessaloniki, Greece, the department of Geosciences, Aarhus University, Denmark, the Atmospheric Oceanic and Planetary Physics lab, University of Oxford, UK. Currently he is a Marie-Curie fellow at the National Observatory of Athens, studying the effects of large volcaninc eruption on climate by using different hierarchy of models: from toy-models to comprehensive chemistry earth system models.