This Note provides an overview of the corporate governance standards established by the NYSE, Nasdaq and the SEC. In particular, this Note explains which entities and regulators set corporate governance standards and to whom these standards apply. This Note describes some of the corporate governance requirements relating to the board of directors and its key committees, some policies and procedures to be implemented by public companies (such as corporate governance guidelines and a code of ethics or conduct) and when transactions must be approved by stockholders. In particular, this Note reviews and compares NYSE and Nasdaq standards and applicable SEC requirements.