17. Zach Nelson
The cloud software pioneer has been burnishing its midmarket credibility under Zach Nelson’s leadership, expanding a portfolio that’s powering the back offices of a class of businesses that have the most to gain from the cloud. NetSuite has now amassed more than 30,000 customers running its business software around the world and, for the first time in its history, is projecting a $1 billion run rate. It's no wonder Oracle's moving to acquire the company for $9.3 billion as it moves to establish it's own cloud cred.