Related Clues:

• Chief executive: Abbr.
• Oval Office occupant, briefly
• C. in C.
• Part of POTUS
• Bd. leader
• Bush, e.g.: Abbr.
• G.W.B., e.g.
• White House occupant: Abbr.
• Firm wheel: Abbr.
• C in C
• Head of the co.
• White House VIP
• Top exec.
• Co. leader
• L.B.J. or J.F.K.