Gary W. Schenkel
Prior to this position Schenkel was the director of the Federal Protective Service ( FPS ) , one of the six divisions of the National Protection and Programs Directorate of the U . S . Department of Homeland Security from March 2007 until July 2010 . 
<triplet> Federal Protective Service <subj> National Protection and Programs Directorate <obj> parent organization <triplet> National Protection and Programs Directorate <subj> Federal Protective Service <obj> subsidiary