Jerry Fleck was a Starfleet officer in the 24th century. In 2371, he was a crewmember aboard the USS Voyager. He was among the crew stranded in the Delta Quadrant, when Voyager was forcefully brought there by the Caretaker. In 2374, as an ensign, he was listed on the crew manifest. (VOY: "The Killing Game", okudagram)