Kohlberg Kravis Roberts (KKR) is a global investment firm. The core of the firm's franchise is sponsoring and managing funds that make private equity investments in North America, Europe and Asia. Throughout its history, KKR has brought a long-term investment approach to portfolio companies, focusing on working in partnership with management teams and investing for future competitiveness and growth. The firm manages investments across multiple asset classes including private equity, energy, infrastructure, real estate, capital markets, credit strategies and hedge funds. It was established in 1976.