Note : GOP leaders say Napolitano ignored legislation protecting undocumented immigrants . Tom Ridge was the first secretary , followed by Michael Chertoff , both during the administration of GOP President George W. Bush . Janet Napolitano says she will leave the Cabinet in September . Napolitano was the first woman to be national security secretary . She will be nominated to be chancellor of the University of California system .
Note : GOP leaders say Napolitano ignored legislation protecting undocumented immigrants . Janet Napolitano says she will leave the Cabinet in September . Napolitano was the first woman to be national security secretary . She will be nominated to be chancellor of the University of California system .