RPM International Inc. announced that Charles A. Ratner, 75, has retired from its board of directors after almost 12 years of service to the company. Ratner served on the board's compensation committee. Ratner retired from Forest City Realty Trust Inc. (formerly Forest City Enterprises Inc.), on December 31, 2016, after 50 years with the diversified real estate development company. He was most recently Forest City's chairman, a post he was elected to in 2011.