NEW YORK, NY - SEPTEMBER 20: President & Trustee, Virgin Unite; Senior Partner, The B Team Jean Oelwang, Executive Vice President, International People Division, Walmart; former COO, Walmart US Gisel Ruiz, President, Mars Chocolate North America; former Global Chief Financial Officer, Mars Chocolate Tracey Massey and Wall Street Journal Management News Editor Joann Lublin speaks at the 2016 Concordia Summit - Day 2 at Grand Hyatt New York on September 20, 2016 in New York City. (Photo by Riccardo Savi/Getty Images for Concordia Summit)