A Starfleet admiral who taught Kathryn Janeway at the Academy and shows her around her new command, Voyager, at Utopia Planitia in scenes set in 2371 in the episode Relativity.
Admiral Patterson appears in the Voyager episode Relativity. Much of the episode takes place in 2371, when the ship is still in drydock at the Utopia Planitia shipyards above Mars and Janeway comes aboard for the first time.
Patterson, who once taught her at Starfleet Academy, greets her by firing off test questions as though she were still his cadet, then takes her on a tour of the bridge and sickbay and briefs her on the new vessel's systems.
Unknown to both of them, Seven of Nine is aboard at the same moment, sent back by the timeship Relativity to find a temporal weapon hidden on Voyager.