McDermott Will & Emery LLP

Mark W Pearlstein

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Practice Areas

Partner Mark Pearlstein concentrates his practice on white-collar criminal defense, the defense of actions brought by the US Securities and Exchange Commission, complex commercial litigation, arbitration and internal investigations.

Mark has substantial experience in the investigation and trial of complex white-collar criminal cases and other government enforcement matters, including health care, securities and tax fraud, and matters arising out of government procurement programs. He represents clients before courts and government agencies throughout the United States. In late 2018, Mark successfully defended a pharmacist charged with RICO, Mail Fraud and Food, Drug and Cosmetics Act charges. Following a two-month trial, Mark’s client was acquitted of all charges.

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Previously, was a federal prosecutor in Boston's US Attorney's Office, served as chief of the Office's Economic Crimes Unit, and was the first assistant US attorney from late 1996 until 2000. Served as Acting US Attorney, litigated a range of civil and criminal matters and tried a number of complex white-collar crime cases. Received the Attorney General's Award for Exceptional Service, the highest award presented by the Department of Justice.



Harvard Law School, JD, cum laude, 1983

University of Michigan, AB, with highest distinction, 1979