1970-1978: University of Oklahoma, Norman, Oklahoma
1978-1982: Max-Planck-Institute for Cell Biology, Post-doctoral Fellow, Ladenburg, Germany
1983-1987: Roche Institute of Molecular Biology, Post-doctoral Fellow, Nutley, New Jersey, Research Associate and Fellow
1985-1987: Department of Zoology and Physiology Coadjutant, Rutgers University (Newark Campus) Newark, New Jersey
1987-2003: Max-Planck-Institute for Cell Biology Research Fellow, Ladenburg, Germany
2003- : Max-Planck-Institute for Medical Research, Heidleberg, Germany, Biomolecular Mechanisms, Departmental Group Leader
Awards, Honors and Scientific Service
1970-1972: University Scholars Program, University of Oklahoma
1986-1987: Adjunct Assistant Professor, Department of Microbiology, University of Medicine and Dentistry of New Jersey, New Jersey Medical School, Newark, New Jersey, USA
1987-1988: Scientific Consultant, Roche Diagnostics, Nutley, New Jersey
1997-2003: Scientific staff member, Biology and Medicine Section, Max-Planck-Society
1998-2003: Chemical Safety Officer, Max-Planck-Institute for Cell Biology, Ladenburg, Germany
1998-2003: Adjunct Director, Max-Planck-Institute for Cell Biology, Ladenburg, Germany
2003: Closing Manager, Max-Planck-Institute for Cell Biology, Ladenburg, Germany
2003- : BMM Safety Officer, Max-Planck-Institute for Medical Research, Heidelberg, Germany