Glassdoor, the recently launched rating site, gives the opportunity for employees to rate and review their companies and ceo.
Pro: its free and you can register anonymously Con: you have to post one rating in order to see other ratings.
A few days after its launch, tech companies were the ones receiving most entries. Apple CEO Steve Jobs, had a 91% appreciation rate - free iPhones may have had something to do with it, as all full-time Apple employees get one.
On the other hand, the CEO of AMD Hector Ruiz got only 11%.