KKR (Kohlberg Kravis Roberts) is an investment firm that offers alternative asset management as well as capital markets and insurance solutions. It manages investments across multiple asset classes such as private equity, energy, infrastructure, real estate, credit, and hedge funds. The company conducts its advisory business through investment adviser subsidiaries, including Kohlberg Kravis Roberts & Co. and its wholly-owned subsidiaries KKR Credit Advisors (US) and KKR Registered Advisor.