03/2015 - curr. | Professor, Institute of Environmental Radioactivity, Fukushima University, Japan |
2011 - 01/2015 | Coordinator of Strategy for Allied Radioecology (STAR), a European Network of Excellence in Radioecology www.star-radioecology.org |
2009 -. 2015 | Deputy Director of Radioecology, Ecotoxicology and Environmental Modelling Department, IRSN, France |
2006 - 2008 | Senior Research Scientist, University of Georgia, Savannah River Ecology Laboratory. |
1999 - 2005 | Associate Research Scientist, University of Georgia, Savannah River Ecology Laboratory. |
1992 - 1998 | Assistant Research Scientist, University of Georgia, Savannah River Ecology Laboratory. |
1992 - 1995 | Joint appointment with the University of Georgia (8 months/year) and the Paul Scherrer Institute, Switzerland (4 m/y). |
1992 | Staff Scientist, Paul Scherrer Institute, Switzerland. |
1989 - 1991 | Postdoctoral Fellow, Paul Scherrer Institute, Switzerland. |