    Sentence -x:.Sean Harrigan’, president’ of the ”  California Public. Employees * Retirement Systent  jvalso’ suggested. paring-down’ the NYSE “s. 27-  member. board.,“ cHaiiging: its composition and  making itmore accowitable .    Sentence 2: Sean Hatrigan’.,- presideine. of the  Califdinia ‘Public Emplayees,’ Retirement System  ; also Suggested: parittg the NYSE 's 27-ineinber:  board. and allotting more seats ‘to. investors  outside the securities irdusery.