The most common and most likely answer to this crossword clue is the 5 letter word AIDES
A
I
D
E
S
More clues leading to the result AIDES
- Officers producing plans advanced to the front
- Assistants having a date in Rome
- Assistants flee after a fateful day
- One day they’ll help
- Presidential staff’s serious loss of immunity reported
- It’s excellent of the French to provide assistants
- They provide assistance when carrying kiddies occasionally
- They help man, indeed, so regularly
- A time of the month for Roman auxiliaries
- PAs having a bad day leave without giving notice
Buddy explains!

The straight part
We know that "presidential staff" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case presidential staff = aides.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does AIDES mean?
AIDES noun- An assistant.
- An officer who acts as assistant to a more senior one; an aide-de-camp.