Albus Dumbledore

Department: Transfiguration

Role: Headmaster

Minerva McGonagall

Department: Transfiguration

Role: Deputy Headmistress

Severus Snape

Department: Potions

Role: Head of Slytherin

Filius Flitwick

Department: Charms

Role: Head of Ravenclaw

Pomona Sprout

Department: Herbology

Role: Head of Hufflepuff

Rubeus Hagrid

Department: Care of Magical Creatures

Role: Keeper of Keys and Grounds