Dr. Djaber Berrian studied physics in 2013 at the university of science and technology of Algiers, Algeria. He received his Ph.D. degree in photovoltaic engineering in 2020 from the University of Freiburg, Germany In 2016, he worked as a research and development engineer on thin film silicon solar cells at CDER research center, Algeria. In 2017, he joined ISC Konstanz to work as a Ph.D. student on different research projects about energy yield prediction for bifacial PV systems fixed tilt and tracking. Throughout his career, he participated in different scientific activities in the field of renewable energy. Currently, he is working on system design and innovation projects, as well as a PV module expert at Belectric.