| 1969-1975 | Study of Educational Science with a focus on Adult Education/Extracurricular Youth Education in Heidelberg, Kopenhagen, and Hannover |
| 1975-1981 | Researcher/counsellor in Pedagogy at the Uni BW Hamburg |
| 1981 | Ph.D. in Educational Science at the University of Hannover |
| 1981-1989 | Researcher at the Institute of Education at the University of Tübingen |
| 1989-2003 | Akad. Rat/Oberrat at the Institute of Education (1994-2003 granted leave as visiting professor) |
| 1993 | Post-doctoral qualification in Adult Education/Further Education at the Faculty of Social and Behavioural Sciences at the University of Tübingen and appointment as a private lecturer |
| 1994-2003 | Stand-in professor in Adult Education/Further Education, University of Tübingen |
| 2004-2017 | Academic Director at the Institute of Education, Dpt. of Adult Education/Further Education |
