Doctor of Medicine, Frankfurt University, Germany, 1979. Doctor of Philosophy, Frankfurt University, Germany, 1980.
Resident in radiology St. Joseph Hospital, Wiesbaden, Germany, 1979-1982. Resident in cardiology University Hospital, Frankfurt, Germany, 1982-1983, resident in internal medicine Germany, 1983-1988, senior physician in endocrine department Germany, 1988-1990. Clinical research physician Eli Lilly & Company, Bad Homburg, Germany, 1990-1993, department head in endocrine research Germany, since 1996, global clinical research physician Indianapolis, 1993-1996, medical advisor, 2003—2004, medical fellow, since 2004.
Lecturer Frankfurt Medical School, since 1990. Professor of internal medicine Frankfurt University Medical School, since 2004. Lecturer German Academy Aviation Medicine., Frankfurt, 1992—2001.
Conducted numerous clinical trials including the MORE study.
Captain in German Army, 1981-1982. Member American Society Bone and Mineral Research, German Society Endocrinology.
Married Elzbieta M. Zajac, December 23, 1980. 1 child, Lara.