Professor Elias McGreeve is a pure-bloodwizard who lives on 27.5 Canadian Avenue in London. Elias was in the same house as Harry Potter and is a avid supporter of Quidditch.
McGreeve, left Hogwarts to qualify as an Auror but didn't actually work as an Auror. Instead, he decided to work for Kwikspell an educational company tutored analphabetic wizards defensive charms. He tutored many wizards who thought they were Squibs and applied for the job of Defence Against the Dark Arts professor in 2017.