Doctor of Medicine, Duesseldorf University, Germany, 1983.
Resident University Essen, Germany, 1984-1989, staff member radiation oncology department, 1989-1993, lecturer, senior staff, 1993-1998. Professor radiation oncology Charité Humboldt University, Berlin, 1998-2000. Professor radiation oncology, director department radiotherapy University Essen, since 2000.
Member American Society Therapeutic Radiology Oncology, European Society Therapeutic Radiology Oncology, Mensa-Germany Cologne.
Son of; married Barbara Gier, May 29, 1964.