William "Jakes" Jacobs was a Human Starfleet Officer serving in Starfleet during the 24th century.
By 2364 he was Executive Officer of the USS Vigilant and still at the post when the vessel was lost in combat with several Cardassian ships.
He was later promoted to Commander and served as the USS Arizona as XO.
During the Dominion War, he was in command of his own vessel., the heavy cruiser USS Franklin.
After Operation Return he sent an engineering team to aid in repairs to the USS Lionheart.