It has never been a better time to be a chief marketing officer. The opportunity to drive both short-term business growth and long-term innovation through creativity, data, technology, customer experience and brand purpose underlies the most ambitious marketing agendas globally. Or does it? The Dentsu Aegis Network Global CMO Survey, released today, reminds us that the plight of the CMO is reminiscent of Dickens' sentiment, "It was the best of times, it was the worst of times." CMOs have better access to data, talent and resources than they have ever had and yet they are failing to navigate the tension between their short-term growth mandate and long-term sustained transformation.