Private equity firms like KKR, Blackstone, and The Carlyle Group's key hires this year show how they plan to invest in 2020. Business Insider spoke with PE recruiters and dug up hire announcements to track the biggest people-moves who those working in the industry should know about. The additions illustrated investment in growth equity, impact investing and overseas offices throughout Asia. Private equity firms typically do most of their hiring at the associate level, often preferring to cultivate talent from within rather than through external hires. Sometimes, though, they sign on people at the senior level in areas of strategic importance.