- 2010-Present Associate Professor, Department of Biology, University of North Carolina at Charlotte
- 2004-2010 Assistant Professor, Department of Biology, University of North Carolina at Charlotte
- 2003-2004 Research scientist Department of Biology, University of North Carolina at Charlotte
- 2002-2002 Director of Immunology & Oncology Research, Carolinas Medical Center, Charlotte
- 1998-2002 Research scientist Dept General Surgery, Carolinas Medical Center, Charlotte
- 1996-1997 Research Fellowship in Cancer Immunology, Carolinas Medical Center, Charlotte
- 1994-1996 Research Fellowship in Infection and Immunology, Carolinas Medical Center, Charlotte