Amelia Susan Bones is the Head of the Department of Magical Law Enforcement. She is a broad, square-jawed witch with short, grey hair, and often wears a monocle.

From the Story

Harry Potter and the Order of the Phoenix

Discovered in chapter 7, The Ministry of Magic

Harry's hearing is due to take place in Amelia Bones' office at the Ministry of Magic. She will be the official questioning Harry during his hearing. Tonks says that Bones is a fair person, and will listen to what Harry has to say.