Chain was born aboard the USS Wyoming in 2353. He graduated Starfleet Academy in 2376 and begun his career serving aboard the USS Hood. After several years, rising in ranks aboard the Hood, he transferred to the USS Shark. (Star Trek: Brave New Worlds biography)
In 2380, Chain was first officer aboard the USS Rune, under the command of Captain Blade, and endured a time travel paradox that plagued him. His memory of such events were quickly erased by Night Seifer of the USS Phoenix-X under orders from Section 31. (Star Trek: Phoenix-X: "Possible Regret")
- Whether he died or not was not specified.