How a Former Track and Field Star Became One of the Most Important Figures in Media

It's lucky that Megan Clarken has always thought globally. A native New Zealander, Clarken spent years going back and forth between the U.S. and Australia for Nielsen, analyzing audiences from all parts of the globe during a 14-year tenure at the data behemoth. Now, Clarken is global president of Nielsen's Watch, which provides Nielsen's media...