Waste Management reported that Sean Menke, President and Chief Executive Officer of Sabre Corp., and Maryrose Sylvester, former U.S. Managing Director and U.S. Head of Electrification for ABB Ltd., have been elected to its board of directors, effective immediately. Menke will serve on the Audit Committee, and Sylvester will serve on the Management Development and Compensation Committee. These elections expand Waste Management's board of directors to 10 members, nine of whom are independent directors.