Appinions analyzed the influence of Chief Marketing Officers (CMOs) from the Forbes Global 500 companies and found that 66 CMOs were influential based on their opinions expressed over a 60 day period. Phil Schiller of Apple was the most influential CMO overall. The document also examined which CMOs were most influential on key marketing topics like social media, mobile marketing, and big data/analytics, finding that these emerging areas are increasingly important topics of discussion among CMOs.