Career website Glassdoor ( released its latest report highlighting this year’s top 50 highest-rated CEOs. Facebook CEO Mark Zuckerberg has unseated Apple CEO Tim Cook from the number one spot he held last year, notes “TNW” (

Glassdoor compiled its figures based on more than half a million company reviews submitted by employees between Feb. 25, 2012 and Feb. 24, 2013. During the past year, Zuckerberg saw his CEO approval rating climb 14 percentage points to 99%, while Apple CEO Tim Cook fell to the 18th spot this year as he saw a decrease of four percentage points to 93%.