Kroll (born May 18, 1941) is an American businessman whose company, Kroll, Inc., is credited with founding the modern corporate investigations industry 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 bond rating agency formed since the financial crisis of 2007–08.
K2 Intelligence, run by Kroll's son Jeremy, continues the family's work in asset recovery, due diligence, litigation support, and a range of corporate investigations.