Chairman and Chief Executive Officer of Vanguard from 2018 to 2024. Previously, held a number of senior leadership positions at Vanguard, including Vanguard’s Chief Investment Officer from 2013 to 2017, overseeing the company’s managed stock, bond and money market portfolios as well as its investment research and methodology, and Chief Information Officer from 2001 to 2006. In addition, led Vanguard’s Personal Investor division from 2006 to 2012. Served as Chairman of the Board of Children's Hospital of Philadelphia from 2011 to 2017. Director of The Boeing Company.