Jules B. Kroll (born May 18, 1941) is an American businessman whose company, Kroll, Inc., is credited with founding the modern corporate investigations industry, Kroll, Inc., in 1972. In 2004 Kroll was sold to Marsh & McLennan Companies for $1.9 billion.In 2009, Kroll founded two successor firms, Kroll Bond Rating Agency (KBRA) and K2 Intelligence. KBRA is the first independent bond rating agency formed since the financial crisis of 2007–08.