Sarissa Theris

Sarissa Theris is an asari character and a former Asari Commando acting as tiamna (translates as "bodyguard") to Matriarch Ishara, the asari Pathfinder. After Matriarch Ishara's death at the hands of the kett, Sarissa took on the position of Pathfinder.

Missions
Sarissa Theris is involved in the following mission:
 * Cora Harper: At Duty's Edge

Codex
The following paragraph appears in the Codex entry for Pathfinders: Asari Pathfinder if Sarissa retains the position after Cora Harper: At Duty's Edge:

With Matriarch Ishara gone, her former bodyguard, Sarissa Theris, has taken up the mantle of asari Pathfinder. Sarissa is a famed combat veteran who has served in dozens of combat zones over centuries. Her psychological profile shows her to be both a charismatic leader and fond of high-risk, high-reward tactics.