We would like to congratulate Dr.-Ing. Sebastian Schlosser on passing his PhD examination! During his studies, Dr. Schlosser worked on the topic "Phase-based surface characterization in radar imaging". The co-examiners were Prof. Dr. Schmitz, Prof. Dr. Pohl, Prof. Dr. Rolfes, Prof. Dr. Vogt and Prof. Dr. Sezgin. We wish him all the best for his future career!