Forbes' 2016 ranking of The World's Most Powerful People is a who's who of global influencers.
They serve as chief executives of major companies, helming businesses worth trillions of dollars altogether.
The top ten of those CEOs—all of whom are American—run firms with a combined market cap of $3 trillion.
From companies such as Walmart to Google, take a look at the world's top 10 Chief Executive Officers of 2016...