Fischer studied English, French and Italian at the University of Bamberg and the Université de Toulouse-Le Mirail and holds a PhD in Romance Sociolinguistics. He set up the university language centres at the University of Hohenheim and the University of Tübingen, was then director of the language centre at the University of Würzburg before moving to the University of Göttingen, where he has been Director of the University’s Centre for Languages and Transferable Skills since 2009.
He has been member of the UNIcert Committee since 1994 and its president since 2007. He has been board member of the German association of university language centres AKS since 1996. From 2004 to 2008 he was Secretary General and from 2008 to 2012 President of CercleS. He was involved in various European projects on language teaching, learning and assessment, and was co-ordinator of several EU and ECML projects. He published various articles and books on LSP teaching & learning, professional development, quality assurance, and task-based teaching and assessment.