Current role: CEO of 1st Dibs
Score: 4
Why: Public CEO experience, media experience, technology expertise, turnaround capabilities.
Rosenblatt is a highly-respected internet advertising executive and entrepreneur. He was the former CEO of DoubleClick from 2004 to 2007, when it was sold to Google for $3.2 billion. Following that acquisition, he stayed on as Google's president of global display advertising until 2009. Alongside his role at online furniture and antiques marketplace 1st Dibs, he also sits on the board of Twitter and Interactive Corp, which owns Ask, Vimeo, and The Daily Beast.