Executive officer (often shortened to XO), alternatively known as first officer, was a role found within the Imperial Navy of the Galactic Empire, as well as in the Chiss Ascendancy, the New Republic, the Resistance, and the First Order.
Lady Domina Tagge, who headed the Tagge Corporation, held this position within that organization.
During the Battle of Endor, Nymos Lyle functioned as the executive officer for Admiral Rae Sloane while they were aboard the Imperial-class Star Destroyer named Vigilance.
On a Defender-class cruiser called the Vesper, Lieutenant Jensen Corbyt served as the executive officer under Captain Hayle. Additionally, Vic Hawkins held the position of executive officer for General Hera Syndulla on Home One.
During the First Order-Resistance War, Captain Idrosen Gawat acted as the executive officer to Admiral Gial Ackbar onboard the Raddus. During the Battle of Oetchi, he was killed alongside the majority of the Resistance High Command.