Ontario Business Corporations Act
Part I Definitions, Interpretation and Application
Section 1(1)

officer (OBCA)

In this Act, “officer” means an officer designated under section 133 and includes the chair of the board of directors, a vice-chair of the board of directors, the president, a vice-president, the secretary, an assistant secretary, the treasurer, an assistant treasurer and the general manager of a corporation, and any other individual designated an officer of a corporation by by-law or by resolution of the directors or any other individual who performs functions for a corporation similar to those normally performed by an individual occupying any such office;