Commander Brad Yacobian was a Human Starfleet officer in the 22nd century.
In 2151, he was listed as a Vehicle Development officer on the dedication plaque of Enterprise NX-01. (ENT: "Broken Bow", dedication plaque).
In 2154, he was listed both as a Starfleet Command and Vehicle Development officer on the dedication plaque of the Columbia NX-02. (ENT: "Affliction", dedication plaque)
In January 2155, he was listed as a Mission Operations officer on directory placards at Starfleet Command's Fleet Operations Center, Sol Sector. His office was located in room #1056. (ENT: "Demons", directories)
In 2161, Yacobian, wearing an Enterprise assignment patch, attended the Federation Founding Ceremony and witnessed the speech of Captain Jonathan Archer. (ENT: "These Are the Voyages...")
Background information Edit
The character was portrayed by producer Garfield Reeves-Stevens and named after producer and unit production manager Brad Yacobian. (The Fifty-Year Mission: The Next 25 Years, p. 730)
The name "Brad Yacobian" appeared on Garfield Reeves-Stevens' nametag during his cameo in "These Are the Voyages...". Although not visible during the episode or in background material, this was revealed by Larry Nemecek in Star Trek Magazine issue 124, and in the book The Fifty-Year Mission: The Next 25 Years (p. 730).
Reeves-Stevens was also referred to jokingly as "Commander Gar Reeves-Stevens" in the Enterprise Secrets special feature on the DVD for Enterprise season 4.
Judith Reeves-Stevens, Garfield's wife, once mistook this character's rank as admiral. (The Fifty-Year Mission: The Next 25 Years, p. 730)