The following video is part of our "Motley Fool Exclusive Interview" series. In this segment, Fool.com analyst Brendan Byrnes interviews author and Bloomberg reporter Jason Kelly about his recent book, The New Tycoons: Inside the Trillion Dollar Private Equity Industry That Owns Everything.

With the private equity industry evolving rapidly and winding up increasingly in the spotlight, we take a look at what's next for companies such as Blackstone, KKR, Carlyle, Fortress, and Bain. In the following video, Jason explains how these firms are using private equity as a backbone but also expanding into other industries.