Michaela Schneider, codenamed "BERTHA", was a Umbrella Security Service operator, under the overall authority of the Umbrella Corporation. By the year 1998, she was assigned to the U.S.S. Delta Team ("Wolfpack") as the team's field medic.
Prior to her service under the Umbrella Corporation, Michaela Schneider developed exceptional skills as a German medic, becoming an excellent healer with a keen interest in making the human body operate at maximum capacity.