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.

Show More


  • 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
  • Successfully tried multiple health care fraud cases
  • Successfully tried multiple criminal tax cases

Show More


  • The Legal 500 United States 2018
  • Benchmark Litigation 2019, Local Litigation Star
  • The Best Lawyers in America 2006 to 2019

Show More


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