California Code, Education Code - EDC § 22254

(a) Any board member or officer who breaches any of the responsibilities, obligations, or duties imposed upon them by Section 22251, 22252, or 22253 shall be personally liable to make restitution to the retirement fund for any losses to it resulting from each breach, and to restore any profits that have been made through use of assets of the fund and shall be subject to any other equitable or remedial relief the court may deem appropriate, including removal from the board.

(b) No board member or officer shall be liable with respect to a breach of fiduciary duty under this part if the breach was committed before the board member or officer became one, or ceased to be one.