Ashley Williams is a human soldier who served in the Systems Alliance as a Gunnery Chief in the 2nd Frontier Division on Eden Prime, and was later assigned to Commander Shepard's squad after the geth attack on Eden Prime. She is a potential romance partner for a male Shepard. At the operation on Virmire, Shepard can choose to save Ashley's life, but at the cost of losing Kaidan. Appears in ME1, 2(in case if she survived Virmire), 3. The second human Specter after Commander Shepard in ME3. -masseffect.wikia.com