Quinlan is responsible for keeping track of all recovered technology, information and technical documentation in the Brotherhood of Steel. He regularly sends out research patrols to collect technology and knowledge from various pre-War sites throughout the the Commonwealth. Having an obsession with the Grognak the Barbarian comic book series, Quinlan often has his scribes collect rare editions for him out in the field. He has a pet cat called Emmett who is sitting by his terminal in his office on the Prydwen.
Unlike most of the Brotherhood, Quinlan will approve of the Minutemen taking down the Institute, praising the Sole Survivor's ingenuity in using non-Brotherhood "cannon fodder" to minimize their own casualties.