Jacob Taylor is a human biotic and was once a Cerberus operative working under Miranda Lawson. Born in 2157, he began his career as a Systems Alliance marine and served as a member of the Corsairs, an arms-length program for operatives working outside of Alliance jurisdiction. Taylor survived the geth attack on Eden Prime, but left the Alliance afterwards because of what he perceived as unresponsiveness in the face of aggression.
While working for Cerberus, Taylor thwarted a plot by batarian terrorists to unleash a bioweapon on the Citadel. Soon after, he was assigned to Project Lazarus, the Cerberus effort to reconstruct Commander Shepard and the Normandy stealth frigate. Following the project's completion, Taylor accompanied Shepard through the Omega-4 relay to destroy the Collectors. He survived that mission and has since left Cerberus, although his current whereabouts and affiliations are unknown.