Doctor of Medicine, University Heidelberg, 1970. Habilitation, Medical University Hannover, 1978. DHC, Bulgarian National Academy Medicine, Sofia, 1998.
Intern University Heidelberg, 1971—1972. Resident in internal medicine University Düsseldorf, Germany, 1973—1975. Resident Institute for Clinical Chemistry, Medical University Hannover, Germany, 1972—1973, Germany, 1975—1979, head physician, 1979—1982, deputy chairman, 1982—1991.
Professor clinical chemistry University Hannover/Göttingen, Germany, since 1982. Director department clinical chemistry, central laboratory Center Internal Medicine University Göttingen, since 1991, dean faculty medicine, 1996—1998, vice dean faculty medicine, 1998—1999. Deputy chief executive for research and teaching Georg-August University, Göttingen, 1999—2004.
Member German Research Foundation (Deutsche Forschungsgemeinschaft) Commission for Clinical Toxicol. Analysis, 1984-1989; member council faculty medicine, University Göttingen, since 1993, habilitation committee, 1993-1998. Chairman 4th International Congress of Therapeutic Drug Monitoring and Clinical Toxicology, Vienna, 1995.
Steering committee Eurolife, since 1999. Path Center visiting lecturer Western Austria, 2004, extl. examiner, 2009-2010, 2nd Professional Examination, Faculty Medicine, Chinese University Hong Kong, 2009-2010. Lecturer in field.
(Book by Evans, William E., Oellerich, Michael, Holt, Davi...)
Fellow: Royal College Pathology, Royal College Physicians Ireland (honorary). Member: German United Association Clinical Chemistry and Laboratory Medicine (president 2003-2005), World Association Society Pathology and Laboratory Medicine (secretary-treasurer 2005-2007, president since 2009), Bulgarian National Academy Medicine, International Association Therapeutic Drug Monitoring and Clinical Toxicology (president-elect 1995-1997, president 1997-1999, award for exceptional contributions 1999, C.E. Pippenger award 2001), American Association for Clinical Chemistry, German Society for Clinical Chemistry (board directors 1984-1986), German Association Laboratory Medicine (president-elect 1999—2000, president 2001-2002).
Married Pushpa Singh, March l2, l976. Children: Mark Oellerich, Thomas, Diana.