In 2353, he was listed as a Starfleet Operational Support Services officer on a directory placard at Starbase 32, Maxia sector. His office was located in room #45252. (TNG: "Violations" , directory) In 2371, he was listed as a Science Ops officer on the dedication plaque of the USS Voyager. (VOY: "Caretaker", dedication plaque) In an unknown, alternate future timeframe, he was listed as an Advanced Technologies officer on the dedication plaque of the USS Pasteur. (TNG: "All Good Things..." dedication plaque)