David is a former criminal prosecutor from the Major Fraud Division in Los Angeles County. As a deputy district attorney he tried over 50 jury trials. He prosecuted cases involving all manner of fraud and theft as well murder, child molestation, domestic violence, gang violence and driving under the influence of alcohol. Prior to being a prosecutor he worked as an in-house lawyer at the U.S. Customs Service. With a deep understanding of fraud cases, he now represents both plaintiffs and defendants in civil fraud litigation as well as white collar criminal defendants.

David is also an avid teacher. He is certified to provide educational seminars to California law enforcement officers. Several times a year, he presents at major fraud conferences and has provided training, seminars and presentations about fraud to diverse audiences that include the Mortgage Bankers Association, the International Association of Financial Crimes Investigators, the American Conference Institute, the Federal Mortgage Fraud Working Group, Fannie Mae, the National Notary Association, and the SEC.

As an undergraduate at UCLA, Mr. Fleck competed as a diver on the swimming team and achieved All-American status twice. He was the 1993 PAC-10 Champion on the 10-meter platform.