The answer depends on who you ask, but every year AdNews publishes its 'Power 50' list, and this year I helped to write a few of the profiles.
My profiles included Mark Lollback, chief marketing officer at McDonalds Australia; Jerry Harris, News Limited; and Andy Lark, Chief Marketing & Online Officer at Commonwealth Bank, who all made their debut to the 'Power 50' ranking in 2012.
To read my incredibly insightful profiles, I'm afraid you have to be a subscriber, but the list is out in today's issue