Hannes Leidinger serves as a Visiting Professor and Lecturer at the University of Vienna, Associated Researcher at the University of Berne, Switzerland, Lecturer at the University of Salzburg and the Andrassy University of Budapest. He is member of the commission for military history and military monuments of historical importance at the Austrian Federal Ministry of Defence, head and member of various research projects, curator and collaborator of several exhibitions on historical topics, editor of DVD-boxes presenting filmic sources on Austrian history, author of numerous publications on Austrian history and the development of Central and Eastern Europe especially in the 19th and the 20th century.