I know there is a lot to be done between the election and inauguration but if it were me, a letter would be sent prior asking for the resignations of all previous appointees. You can also add you would consider holding them over BUT you wanted that letter or your dismissal would be my FIRST official act.
Especially with the turmoil that was taking place with the OUTGOING pResident. It may be a tad different if you defeated him in his reelection.
Now, all these guys are still in place, lobbing hand grenades at will, coming up with off the wall statements, then using something else to resign, when almost 6 months into the new regime, they should have already been gone.
If the Bush people would have even THOUGHT about acting like these BO holdovers are acting, they all would have been brought up on Civil Rights charges - if for at least undermining a minority
He got rid of all the political appointees early on. This guy was a career diplomat.