Waste management elects sean menke and maryrose sylvester to board of directors

Houston--(business wire)--waste management (nyse: wm) announced today that sean menke, president and chief executive officer of sabre corporation, 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. “following a robust process to identify and add talented leaders to waste management's board of directors, we are excited to welcome maryrose and sean, whose extensive leadership skil
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