Dr. Gregory has been Department Council since 1986.
Hellraiser: InfernoEditDr. Gregory . He seems to know alot about The Engineer. Since he's done alot of research on him. Near the climax of the film, it is strongly suggested that he is the Engineer. Though he reveals his true form to Joseph, as Pinhead. He tells him to "Go...home."
He has a six year-old daugher named Melissa.