1989-1991 Prediploma Fellow, Institute for Biotechnology, University of Würzburg, Germany 1992-1997 Predoctoral Fellow, Institute for Immunobiology, University of Würzburg, Germany 1998-2001 Postdoctoral Fellow, University of Alabama at Birmingham 2001-2003 Research Instructor, University of Alabama at Birmingham 2003-2005 Research Assistant Professor, University of Alabama at Birmingham 2005- 2008 Assistant Professor, University of Alabama at Birmingham 2005-present Associate Scientist, UAB CFAR 2007-present Director UAB CFAR Flow Cytometry Core Facility 2008-present Associate Professor, University of Alabama at Birmingham