Master of Arts, University Bochum, 1979. Doctor of Philosophy, University Bochum, 1983.
Graduate assistant University Bochum, 1979-1981, research assistant, 1981-1983, assistant professor, 1983-1990, associate professor, 1990-1995, professor applied & educational linguistics, since 1995. Director Herder Institute-Leipzig (Germany) University, 1996-1998—, head Information Center for Research in Foreign Languages, Marburg University, Germany, since 1998. Director Foreign Language Center, since 2000.
Married Hanna Hellerman, March 31, 1978. Children: Lisa Johanna, Simon Frederick.