Admiral Brian Gunnell was a male Human Starfleet officer during the Dominion War.
In 2375, Admiral Ling reported that Starfleet had lost contact with DP-7 to Gunnell. It was also reported by United Press Interstellar that Gunnell had refused to comment on the USS Starstalker's mission near the Chin'toka system. (ST - Tales of the Dominion War short story: "Eleven Hours Out")