By 2370, Ziff had served aboard four starships. She was assigned to the USS Clayton on stardate 42719.4, USS Peterson on stardate 44878.2, USS Malone on stardate 45408.8, and USS Enterprise-D on stardate 46471.9, where she served in the in the quantum mechanics department.
In the course of her Starfleet career, she had received the Gabl Academic Scholarship on stardate 42620.8, Extended Tour Ribbon (with cluster) on stardate 44182.7, Uyehara Award for subspace research on stardate 45789.4, and Daystrom Award for quantum physics on stardate 46512.6.
In 2370, Ziff was promoted to lieutenant on stardate 47388.1 and was a specialist (grade 5) in physical research/quantum mechanics. She had an average efficiency/coind rating of 8.9. (TNG: "Eye of the Beholder")
Ziff was portrayed by an unknown actress.
Ziff's service record was displayed on a monitor screen reading out personnel information. She was named after Bitsy Ziff, a friend of René Echevarria. (Star Trek: The Next Generation Companion (2nd ed., p. 287))