Irma Grese
One of most infamous Aufseherinnen was Irma Grese. She had volunteered for service in a concentration camp and was a guard at Auschwitz-Birkenau and the female warden of the Bergen-Belsen concentration camp. Nicknamed “The Hyena of Auschwitz”, she was notorious for her cruelty and brutality towards the prisoners. After liberation, Grese was later sentenced to death and executed after liberation due to her actions at the camps.