Nidani Ostaquin Ledrah was a female Tiburonian Starfleet officer who served as an engineer in the 24th century. Ledrah was born in the northern region of planet Tiburon in 2347, and eventually entered Starfleet Academy in the mid-2360s. Following her graduation she was assigned to the USS Zapata as an engineer and spent five years aboard before transferring to another starship. By 2379, Ledrah had served aboard the USS Hathaway and the USS Lakota. (TTN novel: The Red King)