Elizabeth Vallis was a cloned female Human from the planet Mariposa in the mid 24th century. As of 2365, she served as chief of staff to Mariposan Prime Minister Wilson Granger. (TNG episode: "Up the Long Ladder") She continued in this role following the formation of the United Ficus Colony, and in 2376 continued to serve as chief of staff for both Granger and the Bringloidi Prime Minister Brenna Odell. (SCE eBook: Out of the Cocoon)