J. Harris was a Human Starfleet officer of the 22nd century.
In 2154, she was named as a Vehicle Development officer on the dedication plaque of the Columbia NX-02. (ENT: "Affliction", dedication plaque).
In January of 2155, she was named as a Spacecraft Analysis officer on directory placards at the Fleet Operations Center, Sol Sector. Her office was in room #1168. (ENT: "Demons", directories)
Harris was named after second unit assistant director Jeani Harris.