Lukas Koester graduated in physics (M.Sc.) at Heinrich-Heine-University Düsseldorf, Germany in 2020. He is working at Eurac Research in Bolzano, Italy since 2019 in the group for performance and reliability of photovoltaic systems. Since 2020 he works on his PhD with the department of energy of Politecnico di Milano. His research is focused on inspection methods for photovoltaic modules and the occurrence and impact of degradation modes.