2011 - 2013 |
Guest professor, ISV-Department of Social and Welfare Studies, Linköping University (Sweden) |
since 2007 |
Head of Department Biology Education, IPN – Leibniz Institute for Science and Mathematics Education and Full Professor of Biology Eduation, Kiel University |
2006 - 2007 |
Chair (W3) for Biology Education, University of Bremen |
2005 - 2006 |
Founding Director of the Teacher Education Centre, Ludwig-Maximilians-University of Munich |
2004 - 2006 |
Dean of the Faculty of Biology, Ludwig-Maximilians-University of Munich |
2000 - 2006 |
Professor (C3) for Biology Education, Ludwig-Maximilians-University of Munich |
2000 |
Offer of a Chair for Biology Education, Georg-August-University Göttingen (declined) |
1999 - 2000 |
Research Scientist, Carl-von-Ossietzky University Oldenburg, Department Biology Education |
1995 - 1999 |
Research Scientist, IPN – Leibniz Institute for Science and Mathematics Education, Department Biology Education, and Biology Teacher, Max-Planck-Gymnasium, Kiel |
1993 |
Visiting Research Scientist, Institut de la Recherche Argonomique (INRA), Clermont-Ferrand (France) |
1993 - 1995 |
Student Teacher, Studienseminar Stade (Lower Saxony) |
1990 - 1993 |
Research Scientist, Kiel University, Botanical Institute |