Ah my friend, You assume that because of the things you mentioned that she won't be fair and impartial. In doing so you call into question her character.

Where's the evidence in her character that she would be not impartial?
You have none.

Why not give her the benefit of the doubt? Then make your decision based on her performance.

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"What you hear in a great jazz band is the sound of democracy. “The jazz band works best when participation is shaped by intelligent communication.”
Harmony happens whenever different parts get to form a whole by means of congruity, concord, symetry, consistency, conformity, correspondence, agreement, accord, unity, consonance…….