California Code, Corporations Code - CORP § 5056

(a) “Member” means any person who, pursuant to a specific provision of a corporation's articles or bylaws, has the right to vote for the election of a director or directors or on a disposition of all or substantially all of the assets of a corporation or on a merger or on a dissolution unless the provision granting such right to vote is only effective as a result of paragraph (2) of subdivision (a) of Section 7132. “Member” also means any person who is designated in the articles or bylaws as a member and, pursuant to a specific provision of a corporation's articles or bylaws, has the right to vote on changes to the articles or bylaws.

(b) The articles or bylaws may confer some or all of the rights of a member, set forth in this part and in Parts 2 through 5 of this division,  1 upon any person or persons who do not have any of the voting rights referred to in subdivision (a).

(c) Where a member of a corporation is not a natural person, such member may authorize in writing one or more natural persons to vote on its behalf on any or all matters which may require a vote of the members.

(d) A person is not a member by virtue of any of the following: