The average CMO doesn’t last more than 3.5 years at a top U.S. company. ? In fact, CMOs have the highest turnover of all C-suite roles among Fortune 500s. ? What are they doing wrong — and is there some way to turn this trend around? ? Find out why the heck CMOs are dropping like flies, the new marketing methodology that could really boost their staying power, and a three-step strategy for developing a modern marketing program that can handle whatever the future holds.