Mrs. Geithner is the DAAD Lecturer at the University of Education Winneba (UEW). Besides teaching German she supervises students projects, helps organize students events and excursions with the German Club and provides consultation and information on studying and researching in Germany and the various scholarship opportunities offered by the DAAD.

She has a wide range of experience in university didactic and teaching German as a foreign language worldwide with teaching positions in India, the Ukraine, the USA and in Germany. Before coming to Winneba, she worked as the programme director for refugee students at the International Office of Hochschule für Technik und Wirtschaft (HTW) Berlin.