William R. (Billy) Martin serves as Of Counsel at Marino Finley LLP. As one of the top trial attorneys in the U.S., Billy represents corporations and leading individuals in politics, sports and entertainment, and he has tried more than 150 jury trials across the country. ​

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Previously named as one of the country's '50 Most Influential Minority Attorneys' by The National Law Journal, Billy represents corporations and individuals 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.

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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 Justice Department's 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 in that office.

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He is a former board 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.

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Billy also is a member of the American Bar Association, American Bar Foundation, National Bar Association and the Washington Bar Association, of which he is a past-president.

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He has received several honors during his illustrious legal career. Among them are being named to the American Trial Lawyers Association's Top 100 Trial Lawyers list, Best Lawyers in America, D.C. Bar Association's Legend of the Bar, and featured as a 'Top Lawyer' in Washingtonian Magazine, Black Enterprise Magazine and Ebony Magazine. He also has been selected for inclusion in the Washington, D.C., Super Lawyers from 2007-2024.

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He earned his J.D. from the University of Cincinnati College of Law, where he was the recipient of the Distinguished Alumni Award. He also received a Distinguished Alumni Award from Howard University, where he earned his undergraduate degree.