Sean Harrigan , president of the California Public Employees ' Retirement System , also suggested paring down the NYSE 's 27-member board , changing its composition and making it more accountable .
Sean Harrigan , president of the California Public Employees ' Retirement System , also suggested paring down the NYSE 's 27-member board , changing its composition and making it more accountable .
Sean Harrigan , president of the California Public Employees ' Retirement System , also suggested paring the NYSE 's 27-member board and allotting more seats to investors outside the securities industry .