Tiffany Kavanagh

Dr. Tiffany Kavanagh is a high ranking scientist on the OCM project and a key character in Deus Ex: Human Revolution - The Missing Link.

Background
Though little is known about her past, it is apparent that Kavanagh was moved with her love interest Gary Savage to the OCM in an attempt to get it back on track, only to discover the true objective of the project. Despite having strong objections to the OCM upon realizing what her role entailed, Gary told her to keep her head down and continue working until an opportunity arose.

During the events of the Missing Link, she continues to work against her will under the orders of Pieter Burke, and is then met by Adam Jensen, who convinces her to leave in a submersible with incriminating evidence on Belltower.

After gathering all she can, she heads for escape, only to be locked in her lab by Burke, who begins flooding it with toxic gas. It is at this point that the player can choose to save or sacrifice Kavanagh for the lives of numerous innocents. Should the player save Kavanagh, she will briefly thank them before escaping the facility through different means.