Professor Ellen Anders (Civilian Consultant 500493) is a civilian researcher. With PhDs in biology, anthropology, and psychology, Prof. Anders is the preeminent expert in theoretical xeno-biopsychology. Anders has an IQ of 180 and was the student of Dr. Catherine Halsey. She appears to hold a particular grudge against the Covenant, and like many involved in the war effort considers her work to be for the good of humanity as a whole.