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For other characters in the Fallout universe named William, see William.
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Dr. William Moseley is a special-purpose field operative in the Institute in 2287.


Dr. William Moseley is the liaison between the Advanced Systems and the Synth Retention Bureau departments of the Institute. William Moseley frequently acted as an intermediary between Madison Li and Justin Ayo, the two department heads who had to cooperate, but couldn't quite tolerate each other. As liaison, he is responsible for capturing advanced and prototype synths that fled the Institute's grasp.

Interactions with the player characterEdit

Interactions overviewEdit

This character starts quests.



Apparel Weapon Other items
Hooded cleanroom suit


Dr. William Moseley appears only in the Fallout 4 add-on Far Harbor.

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