(L-R) Richard Brand, Partner at Cadwalader, Zach Oleksiuk, Head of Americas Investment Stewardship at BlackRock, Paul Hilal, founder and CEO of Mantle Ridge LP and Jeffrey Ubben, Founder & CEO at ValueAct Capital, speak during the Reuters Newsmaker event ''The Future of Shareholder Activism'' in Manhattan, New York, U.S., February 22, 2017.  REUTERS/Andrew Kelly