Shipping-man Poul Nørholt, Aarhus, 1958-1961. Lecturer in law Aarhus University, 1970-1974, senior lecturer in jurisprudence, 1974-1996. Professor in jurisprudence faculty of law Stockholm University, since 1996.
Tutor in jurisprudence University Edinburgh, 1976-1978. Jean Monnet fellow European University Institute, Florence, Italy, 1989-1990. Lecturer Academy Legal Theory, Brussels, 1991-1994.
Visiting professor faculty law Stockholm University, 1994-1996. Board directors Curren Legal Theory, Tilburg, The Netherlands, 1991. Auditor Iur. International Association for Philosophy and Social Philosophy, Bologna, Italy, 1991-1999.