Madam Undersecretary Professor Dolores Jane Umbridge (fl. 1976 - 1998) was a witch and Ministry of Magic bureaucrat who served as Senior Undersecretary to the Minister for Magic under Ministers Cornelius Fudge, Rufus Scrimgeour and Pius Thicknesse. By order of the Ministry, she was installed as Defence Against the Dark Arts Professor at Hogwarts School of Witchcraft and Wizardry, and then later Hogwarts High Inquisitor and Headmistress. In all three of these positions at Hogwarts she had enormous power over the students, teachers, and the curriculum, which she wielded despotically.Her time at Hogwarts was characterized by cruelty and abusive punishments against students, and because of her interfering and condescending ways, she was generally hated by most students and teachers alike.