A person occupying the position of a director or who is appointed to the position of an alternate director and is acting in that capacity, regardless of the name that is given to their position.
For specified provisions of the Companies Act 1993 (CA 1993):
a person who is not validly appointed as a director but they act in the position of a director (de facto director); or
a person in accordance with whose directions or instructions the directors of a company are required or accustomed to act but who is not validly appointed as a director of that company (shadow director).