Warren chairs Venable’s Investigations and White-Collar Defense Practice. He conducts internal investigations and aggressively defends individual, corporate, and nonprofit clients in a wide range of white collar and environmental criminal defense and civil enforcement litigation. Before joining Venable in 2002, Warren served as an assistant U.S. attorney for the District of Maryland and was chief of Environmental Crimes and Enforcement for that office. He has extensive experience investigating and litigating cases involving mail and wire fraud; bank fraud; fraud on federally funded programs; the Food, Drug and Cosmetic Act (FDCA); the Foreign Corrupt Practices Act (FCPA) and False Claims Act (FCA); and the full panoply of federal and state environmental laws. In addition to the demands of managing a national practice, recent investigations and enforcement actions have taken Warren to locations in Europe, South and Central America, Singapore, Africa, and India. He has also counseled clients on creating and implementing records and information management programs as part of the full suite of policies that are best practices in information governance.