Mark W. Pearlstein - McDermott Will & Emery


Mark W. 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. Previously, he was the partner-in-charge of the Boston office and served as head of the Boston Trial Department. Mark is also a member of the Firm-wide Management Committee.

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  • Represented the former chief investment officer of State Street Global Advisers in a suit brought by the Securities and Exchange Commission; following a three-week trial, the client was exonerated completely
  • Appointed by Massachusetts Governor to conduct an independent investigation of a state-run long-term care facility. The ensuing report and its recommendations appear to be contributing to needed improvements at the facility and in its oversight
  • Successfully tried multiple healthcare fraud cases
  • Successfully tried multiple criminal tax cases

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  • Chambers USA, Litigation: White-Collar Crime & Government Investigations (Band 1), 2004 to 2023
  • The Best Lawyers in America: Healthcare Litigation, Commercial Litigation and Criminal Defense: White Collar, 2022 and 2023-2024
  • The Best Lawyers in America: Boston Criminal Defense: White-Collar “Lawyer of the Year,” 2018, 2021 and 2023
  • Legal 500 US, 2019, 2021 and 2023
  • Massachusetts Lawyers Weekly, Go To Business Litigation Lawyer, 2022

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Harvard Law School, JD, cum laude, 1983
University of Michigan, AB, with highest distinction, 1979


Courts / Agencies
US Court of Appeals for the First Circuit
US Court of Appeals for the District of Columbia Circuit
US Tax Court
US District Court for the District of Massachusetts