Businesses spend a huge wad of cash every year on tech. They'll dole out $3.5 trillion in 2017 alone, according to Gartner.
2017 has seen a dramatic increase in cloud spending and the rise of new technologies in the work place like artificial intelligence and the Internet of Things.
It's seen a crop of new public companies, and some startups that are leading the way in their areas. At the same time, powerhouses like Cisco, Oracle and Microsoft still dominate their respective markets.
And with that kind of money comes power and lots of it.
So here's a shout-out for the 52 people shaping the multitrillion-dollar world of enterprise tech in 2017.
No. 52: Eric Yuan, cofounder & CEO, Zoom