Chief aide
From Tardis Wiki, the free Doctor Who reference
In 2012, Diana Goddard was promoted to serve as chief aide to Henry van Statten after her predecessor, Polkowski, was fired. (TV: Dalek [+]Loading...["Dalek (TV story)"], PROSE: The Time Traveller's Almanac [+]Loading...["The Time Traveller's Almanac (reference book)"]) According to another account, van Statten promoted her to his Chief of Staff after taking a liking to her when she accompanied him to golf with the President. (PROSE: Dalek [+]Loading...["Dalek (novelisation)"])