(covers information from several alternate timelines)
Daniel "Dan" Curry was a Starfleet officer who served during the mid to late 24th century. He was a captain in the years 2363-2367.
In 2353, he was listed as a Starfleet Operational Support Services officer on the directory at Starbase 32, Maxia sector. His office was located in #35882. (TNG: "Violations", directory)
During the 2360s, he was listed as a Research and Development officer on the dedication plaques for Nebula-class starships USS Phoenix, in 2363, and USS Sutherland, in 2367. (TNG: "The Wounded", dedication plaque; TNG: "Redemption II", dedication plaque)
In 2368, he was listed as a Warp Technologies Development Group officer on the second dedication plaque of the USS Enterprise-D. (TNG: "Silicon Avatar", dedication plaque)
During the 2370s, he was listed as a Tactical Ops officer on the dedication plaque of several Federation starships. (DS9: "The Die is Cast", dedication plaque; VOY: "Caretaker", dedication plaque; DS9: "Valiant", dedication plaque; VOY: "Message in a Bottle", dedication plaque; DS9: "The Dogs of War", dedication plaque)
In an unknown, alternate future timeframe, he was listed as a Fleet Ops officer on the dedication plaque of the USS Pasteur. (TNG: "All Good Things..." dedication plaque)