Gregory MacCray was a Human male serving in Starfleet in the 24th century. By 2378, MacCray held the rank of captain and served as commanding officer of the Akira-class USS Geronimo. In early 2378, MacCray engaged the USS Sovereign in war games as a test for the Sovereign's upgraded weapons systems. Shortly after, MacCray and the Geronimo battled Legate Matan's Cardassian insurgents. (ST video game: Bridge Commander)