Cal. PROB § 16234

With respect to any shares of stock of a domestic or foreign corporation, any membership in a nonprofit corporation, or any other property, a trustee has the power to do any of the following: (a) Vote in person, and give proxies to exercise, any voting rights with respect to the shares, memberships, or property. (b) Waive notice of a meeting or give consent to the holding of a meeting. (c) Authorize, ratify, approve, or confirm any action that could be taken by shareholders, members, or property owners.