Dorado was a Human female Starfleet officer aboard the USS Voyager under Captain Kathryn Janeway during the 2370s. Dorado became stranded in the Delta Quadrant along with the rest of the crew of Voyager in 2371.
She was working on an aft station on the bridge when Captain Janeway agreed to let The Doctor lead an away team aboard the Serosian vessel. (VOY: "Revulsion")
Dorado was working on the bridge when a delegation of the B'omar Sovereignty came aboard to negotiate a route for the Voyager through their space. Later, she served as relief tactical officer when Tuvok tried to bring Seven of Nine back aboard the Voyager. (VOY: "The Raven")
She was on duty in engineering when Seven of Nine uncovered the Srivani scientist Alzen. (VOY: "Scientific Method")
In 2374, Dorado was among the crewmembers in the mess hall who received a letter from home that had been transmitted from the Alpha Quadrant over the Hirogen communications network. (VOY: "Hunters")
She was present in the mess hall, sitting at a table. (VOY: "Vis à Vis")