Complex sentence: However, the DNI has no authority to direct and control any element of the IC except his own staff-the Office of the DNI-neither does the DNI have the authority to hire or fire personnel in the IC except those on his own staff.
Split into simpler sentences: However, the DNI has no authority to direct and control any element of the Community except his own staff, the Office of the DNI. Neither does the DNI have the authority to hire or fire personnel in the Intelligence Community except those in his own staff.