Revealed in season 2 as the founder of the Sections. Also referred to as "the mother of Section One". Was once George's superior then his lover. Determines to destroy Section One in Season 2 finale using the Gemstone file (a file that proves Operations has abused his power). When the plan fails Adrian is supposedly cancelled, but Madeline intervenes and Adrian becomes the subject of a mind-altering experiment known as the Gellman process. In the opening arc of Season 4 Adrian is used as collateral by Michael although her mind has failed her. Michael then places her in a safehouse of his choosing to hide her from Operations and Madeline. Adrian eventually succumbs to the effects of the Gellman process and is hidden in a tomb by the safehouse curator when he fears retaliation by Michael.