Bachelor of Medicine, University Essen, Germany, 1985. Doctor of Medicine, University Mainz, Germany, 1987.
Junior psychiatrist department psychiatry University Mainz, 1985-1990, junior neurologist, 1990-1991. Senior psychiatrist department psychiatry University Essen, Germany, 1991-2001, head of laboratories, department psychiatry Germany, 1992-2001, department director research department Germany, 1993-2001, head alcohol detoxification unit Germany, since 1998. Assistant professor, since 1998.
Head department addiction medicine and psychotherapy Rhine State Hospital, Bonn, since 2001. Contributor articles to professional journals.
Member German Society Psychiatry, Psychotherapy and Neurology (secretary since 1997), German Society Endocrinology.
Married Petra Johanna Maria Sessing, March 23, 1987. Children: Alexander, Lea.