William R. "Billy" Martin

William R. "Billy" Martin


Barnes & Thornburg LLP

Recognized since 2007

Washington, District of Columbia

Practice Areas

Criminal Defense: General Practice

Criminal Defense: White-Collar

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Billy represents corporations in complex civil and white collar criminal matters in state and federal courts and in administrative hearings and arbitrations. In addition to his high-profile cases, Billy has substantial experience with internal investigations and has worked extensively with integrity and compliance monitors in a number of industries.

Prior to entering private practice, Billy served as a local and federal prosecutor in Cincinnati, Ohio, from 1976 to 1980. He then was appointed as special attorney in the Organized Crime-Strike Force in San Francisco. Following that appointment, he served as Assistant United States Attorney in Washington, D.C., before being promoted to Executive Assistant for the U.S. Attorney for the District of Columbia.He is a member of the American Arbitration Association and has experience representing parties in arbitration and mediation proceedings in private disputes. He also has served as outside counsel to the U.S. House of Representatives Committee on Ethics related to its investigation of a sitting member of Congress.

Contact & Links
Location
  • 555 12th Street N.W., Suite 1200
    Washington, DC 20004-1275
Education
  • University of Cincinnati, J.D., graduated 1999
  • Howard University, B.A.
Bar Admissions
  • Ohio, 1976
  • District of Columbia, 1999
Court Admissions
  • U.S. Bankruptcy Court for the Southern District of Ohio
  • U.S. District Court for the Northern District of Ohio
  • U.S. Supreme Court
  • U.S. Court of Appeals for the Fourth Circuit
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. Court of Appeals for the Sixth Circuit
  • U.S. Court of Appeals for the Third Circuit
  • U.S. District Court for the District of Columbia
  • U.S. District Court for the District of Maryland

Barnes & Thornburg LLP
Washington, District of Columbia

294 The Best Lawyers in America® awards

109 Best Lawyers: Ones to Watch® in America awards

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Recognized in The Best Lawyers in America® 2025 for work in:
  • Criminal Defense: General Practice
  • Criminal Defense: White-Collar
Additional Areas of Practice:
  • Commercial Litigation
  • Government Contracts

Publications

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