Consider Secretary of State and Laird High of His Demesne Rex Tillerson (boldface mine):
Secretary of State Rex Tillerson takes a private elevator to his palatial office on the seventh floor of the State Department building, where sightings of him are rare on the floors below.
On many days, he blocks out several hours on his schedule as “reading time,” when he is cloistered in his office poring over the memos he prefers ahead of in-person meetings.
Most of his interactions are with an insular circle of political aides who are new to the State Department. Many career diplomats say they still have not met him, and some have been instructed not to speak to him directly — or even make eye contact.
On his first three foreign trips, Tillerson skipped visits with State Department employees and their families, embassy stops that were standard morale-boosters under other secretaries of state.