The changes buffeting marketers in the digital era are not incremental—they are fundamental. Consumers’ perception of a brand during the decision journey has always been important, but the phenomenal reach, speed, and interactivity of digital touch points makes close attention to the brand experience essential—and requires an executive-level steward. At many start-ups the founder brings to this role the needed vision and the power to enforce it. Established enterprises should have a steward as well. Now is the time for CMOs to seize this opportunity to take on a leadership role, establishing a stronger position in the executive suite and making consumers’ brand experience central to enterprise strategy.