Cynthia Cooper is an American accountant who formerly served as the Vice President of Internal Audit at WorldCom. In 2002, Cooper and her team of auditors worked together in secret and often at night to investigate and unearth $3.8 billion in fraud at WorldCom[1] which, at that time, was the largest corporate fraud in U.S. history.
Cooper was named one of three "People of the Year" by Time magazine in 2002.