Advanced Disposal Services, Inc. announced that Canada Pension Plan Investment Board (CPPIB) has completed a $280 million investment in Series B Preferred Units of Star Atlantic Waste Holdings II, LP, which is an investment partnership sponsored by Highstar Capital and the principal owner of Advanced Disposal Services, Inc. In addition, Michael Koen, Senior Principal, Relationship Investments of CPPIB has been appointed to the Board of Directors of Advanced Disposal Services, Inc. Prior to joining CPPIB's Relationship Investments group in 2009, Mr. Koen was a vice president and director in TD Bank's merchant banking group where he focused on mezzanine debt and structured equity investments.