While not directly related to any specific Q post that I know of, this resource may be of use to people. (Presidential appointments, by name and position.)

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United States Government Policy and Supporting Positions (Plum Book), 2016

Every four years, just after the Presidential election, the United States Government Policy and Supporting Positions, commonly known as the Plum Book, is published, alternately, by the Senate and the House. The Plum Book is used to identify presidentially appointed positions within the Federal Government.

https://www.govinfo.gov/collection/plum-book