Death has not been kind to Chairman Wellesly; he is resurrected as a corpulent shadow of his former self, dressed in tattered indigo-colored cultic, ceremonial robes, and bearing a tattoo of an occult diagram on his body. In the center of this diagram is a single, glowing yellow eye, which proves to the thinnest point in the Chairman's ectoplasmic construction.
The Chairman was formerly Cornelius Wellesly and was the Chairman of International Steel, a board of trustees who ran the Natural History Museum in New York. It is unknown how he died.
During the events of the game, Ivo Shandor and his cult used their power to make connections to most of the city's powerful businessmen, even when they died, Shandor would use his power to revive them as paranormal entities, even the Chairman was considered one of them as he held the most power of his time until his death.
Eventually, the Chairman was assigned to act as a guardian inside the museum when the Ghostbusters investigated of the Cult's intentions. To that end, he engaged into a fight against the Ghostbusters, who eventually managed to defeat him.
- The Chairman's outfit and name seems to be a reference to Aleister Crowley.
- The Chairman's involvement in the steel and metal works industry and prominence as a high ranking member of the Cult of Gozer may imply that he supplied Ivo Shandor with the structural ironwork used for the construction of 55 Central Park West.