James N. Mastracchio

James N. Mastracchio

recognized lawyers icon Recognized in Best Lawyers since 2026
Awarded Practice Areas
Tax Law
James N. Mastracchio
James N. Mastracchio
Washington, DC
Works at
Winston Taylor LLP

113 Best Lawyers awards

Winston Taylor LLP logo

Biography

Jim is widely recognized as one of the foremost advisers to the global tax community with regard to civil and criminal tax enforcement matters. He represents clients in all phases of federal civil tax controversies. Jim is one of the few lawyers in the country who has served as lead counsel on international criminal tax cases. In that role, he has defended publicly traded companies, boards of directors, and senior management facing criminal investigations and prosecutions for alleged tax violations.

Learn more about their practice.

Works at
Winston Taylor LLP

113 Best Lawyers awards

Winston Taylor LLP logo

Locations

Client Testimonials

Awards & Focus

Recognized in The Best Lawyers in America® 2027 for work in:
  • Tax Law
Special Focus:
  • Criminal
  • Litigation

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