In addition to any immunity from civil liability that is conferred upon a director by any other provision of the Revised Code or by decisions of Ohio or federal courts, no member of the board of directors of a port authority shall be personally liable for any monetary damages that arise from actions taken in the performance of his official duties, except for acts or omissions that are not in good faith or that involve intentional misconduct or a knowing violation of law, or any transaction from which the director derived an improper personal benefit.