Mr. Walther has been the owner of the engineering office BauConsulting GmbH since 2009 and Team Leader Engineering at Kiwa GmbH in Berlin since 2018. After studying civil engineering at the Technical University of Berlin, he was a research assistant at the Department of Building Materials, Building Materials Testing and Construction Chemistry and completed his doctorate in the field of non-destructive testing of prestressed concrete structures. His current work focuses on structural diagnosis and structural analysis in existing buildings. He is also a specialist planner for the repair of concrete structures.