A woman of average height and build who looks to be in her mid-40s. Her hair is black, and is worn in a sloppy ponytail that was likely given very little thought. She wears a traditional SAGE uniform, over which she wears a white lab coat.

***

Olsen was rescued from the brig of a supply ship intended to bring much-needed goods to SAGE's barebones installation on Ceres.

She then revealed her power to sculpt flesh and create aggressive mutants under her command. The away team did battle with her on several occasions, with the final clash occurring about the submerged science lab entitled Depthcharge.

She was last seen being punched through a bulkhead and lost amid the frozen slurry of Cere's mantle within her punctured EVA suit.