Ari Harow, Prime Minister Binyamin Netanyahu's bureau chief and a close advisor for a number of years, will be leaving his position because of health reasons, the PMO announced Thursday.

"I regretfully accepted Ari Harow's request to leave his position, but I respect it because of the circumstances," Netanyahu said in a statement. "Ari Harow is an example of a professional public servant, straight and loyal and someone who places the good of the country above all else."

As Netanyahu's bureau chief, the Los Angeles born Harow was in charge of the Prime Minister's schedule, and controlled access to him. He was constantly at Netanyahu's side, attending nearly all his meetings, except for the most classified.

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