D. Mirabello was a Human Starfleet officer in the 22nd century. In 2154, he was listed as a Starfleet Command officer on the dedication plaque of the Columbia NX-02. (ENT: "Affliction", dedication plaque) In January of 2155, he was listed as a Flight Dynamics officer on directory placards at Starfleet Command's Fleet Operations Center, Sol Sector. His office was located in room #1106. (ENT: "Demons", directories) He was named after Enterprise production associate Doug Mirabello.