Adele Simmons was a Human Starfleet officer in the latter half of the 24th century.
In 2353, Simmons was listed on a directory placard as having an office in room 35951 on Starbase 32. (TNG: "Violations", directory)
In 2363, Captain Simmons was listed as a representative for Starfleet Academy on the dedication plaque of the USS Phoenix. (TNG: "The Wounded", dedication plaque)
In 2365, Simmons was the commanding officer of the NCC-31810. (TNG: "The Measure Of A Man", okudagram)
In 2367, Simmons was listed as a representative for Starfleet Academy on the dedication plaque of the USS Sutherland. (TNG: "Redemption II", dedication plaque)
In 2371, Simmons was a member of the Fleet Ops team who worked on the USS Voyager. Her name was listed on the dedication plaque. (VOY: "Caretaker", dedication plaque)
In 2373, Simmons was a member of the Fleet Ops team who worked on the USS Prometheus. Her name was listed on the dedication plaque. (VOY: "Ship in a Bottle", dedication plaque)
During her service career, Simmons worked as a member of the Tactical Systems team who worked on the USS Pasteur. Her name was listed on the dedication plaque. (TNG: "All Good Things...", dedication plaque)