Bill Gates is ranked
#4 on Forbes' Most Powerful list. If that wasn't enough, he also ranked higher on the list than the Pope.
Other notable tech-industry execs include Sergey Brin & Larry Page tied #20, Jeff Bezos at #27 and Tim Cook at #35.
The world's second-richest man is worth $65
billion?and that's after giving away more than $28 billion. Gates'
post-Microsoft mission includes eliminating many infectious and deadly
diseases: By his own estimates, that could translate into 8 million
lives saved by 2020. But the quintessential activist billionaire doesn't
stop there: Gates continues to persuade his peers to sign the "Giving
Pledge," promising to give away half their wealth or more.