(CNN) Nikki Haley's end-of-year departure from President Donald Trump's Cabinet will set off a scramble to find her replacement.

One consideration for the White House: Haley, a former South Carolina governor with her eyes undeniably set on high office some day, was arguably the most high-profile woman in a Trump Cabinet with few women.

Haley, who is viewed as more accepting of the US as a global leader than her increasingly nationalist boss, had largely eclipsed Rex Tillerson, Trump's first secretary of state, in the public eye.

Tillerson also left the administration abruptly, albeit after more public disputes with Trump. His replacement, current Secretary of State Mike Pompeo, has been a more forceful secretary and taken up some of the oxygen previously dedicated to Haley in the foreign policy sphere.

There are 23 Cabinet members listed on the White House website. Elevating Haley, as Ambassador to the UN, to Cabinet status broke with the tradition of previous Republican presidents.

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