Haj (23rd century)
Haj was a male Starfleet operations officer who lived during the mid-23rd century, and served aboard the  through its trip to the 32nd century.

In 2257, Lt. Haj was stationed at the communications station on the bridge of the Discovery during the battle that destroyed the Klingon Sarcophagus ship. ()

Haj was later working in the computer access alcove at the rear of the bridge when Discovery and her crew found themselves in the mirror universe. ()

He was working on the bridge when Captain Christopher Pike took over command and when the Discovery visited Terralysium. ()

He decided to stay on the Discovery when the ship traveled to the 32nd century. He was on duty on the bridge when the Discovery contacted Starfleet Headquarters in 3189. ()

The same year, Haj served as relief helmsman, taking over the helm when Keyla Detmer took Booker's ship to battle the Viridian. ()

Humans
USS Discovery personnel
Starfleet operations personnel