Crossword Genius

A boss, frequently I'm ending with employee earlier than expected (5,2,4)

Ross

I believe the answer is:

ahead of time

'earlier than expected' is the definition.

'a boss frequently i'm ending with employee' is the wordplay.
'boss' becomes 'head' ('head' can be a synonym of 'boss').
'frequently' becomes 'oft' (I've seen this before).
'ending with' indicates one should take the final letters.
The final letter of 'employee' is 'e'.
'a'+'head'+'oft'+'im'+'e'='AHEAD OF TIME'

(Another definition for ahead of time that I've seen is " Early".)

I've seen this clue in The Telegraph.
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