Vanguard is one of the world's largest investment management companies offering a broad portfolio of investment products and services. In this installment of Measured Thoughts, Dave Reibstein, managing partner of MarketingNPV, Wharton professor and past executive director of the Marketing Sciences Institute, plays host to Sean Hagerty, CMO of The Vanguard Group to discuss the challenges and successes he’s faced in linking marketing investments to financial value creation.