| 2015–2021 | Scientific Director at the German School Academy, Berlin (financed by Robert Bosch Foundation) |
| 2010–2015 | Director at the Institute for Educational Quality Improvement (IQB) at Humboldt-Universitaet zu Berlin |
| since 2010 | Full professor, Chair of Research Methods in Education, Department of Education Studies at Humboldt Universität zu Berlin |
| 2007–2010 | Managing Director at the Berlin-Brandenburg Institute for School Quality Improvement (ISQ) at Freie Universität Berlin |
| 2005–2007 | Postdoc at the Institute for Educational Quality Improvement (IQB) at Humboldt-Universität zu Berlin |
| 1998–2005 | Research assistant at the Department of Education and Psychology at Freie Universität Berlin |
