Dalek Section Leader (Planet of the Daleks)

The Dalek Section Leader was the leader of a Dalek taskforce on Spiridon. It was tasked to overseeing experiment with invisibility, the deployment of an army of ten thousands Daleks and the production of a plague that could kill all organic life. This Dalek orders the release of the bacteria. But a Spiridon named Wester sabotage the lab room and releases the plague to make sure the room cannot be unseal without other Daleks killed. The Section Leader was killed by the Dalek Supreme, a member of the Supreme Council, for it's incompetence. (TV: Planet of the Daleks)